ed

resources/[carscripts]/nordi_antidespawn/client/main.lua

@@ -4,6 +4,7 @@ local lastKnownCoords = {}
 local garagePending = {} -- Fahrzeuge, die gerade in die Garage gestellt werden
 local spawnedVehicles = {} -- Track recently spawned vehicles to prevent duplication
 local vehicleOwnership = {} -- Cache vehicle ownership status
+local vehicleExistsCallbacks = {} -- Callbacks for vehicle existence checks
 
 -- Helper function to count table entries
 function tableLength(T)
@@ -19,6 +20,44 @@ local function Debug(msg)
     end
 end
 
+-- Function to check if a vehicle is a temporary/special vehicle (like police cars, ambulances, etc.)
+local function IsTemporaryVehicle(vehicle)
+    local plate = QBCore.Functions.GetPlate(vehicle)
+    
+    -- Check for common temporary vehicle patterns
+    if not plate or plate == "" then return true end
+    
+    -- Some servers use specific patterns for temporary vehicles
+    if string.match(plate, "^TEMP%d%d%d%d%d$") then return true end
+    if string.match(plate, "^[A-Z][A-Z][A-Z][A-Z]%d%d%d$") and GetEntityModel(vehicle) == GetHashKey("police") then return true end
+    
+    -- Add more patterns as needed for your server
+    
+    return false
+end
+
+-- Function to check if a vehicle might be a job vehicle
+local function IsLikelyJobVehicle(vehicle)
+    local model = GetEntityModel(vehicle)
+    
+    -- List of common job vehicle models
+    local jobVehicles = {
+        "police", "police2", "police3", "police4",
+        "ambulance", "firetruk",
+        "taxi",
+        "flatbed", "towtruck", "towtruck2",
+        -- Add more as needed
+    }
+    
+    for _, jobVehicle in ipairs(jobVehicles) do
+        if model == GetHashKey(jobVehicle) then
+            return true
+        end
+    end
+    
+    return false
+end
+
 -- Anti-Duplication: Check if a vehicle with this plate already exists in the world
 local function DoesVehicleExistInWorld(plate)
     local vehicles = GetGamePool('CVehicle')
@@ -114,6 +153,28 @@ local function DoesPlayerOwnVehicle(plate)
     return isOwned == true
 end
 
+-- Function to check if a vehicle exists in the database
+local function CheckVehicleExists(plate, callback)
+    vehicleExistsCallbacks[plate] = callback
+    TriggerServerEvent('antidespawn:server:checkVehicleExists', plate)
+    
+    -- Set a timeout to clean up the callback if no response is received
+    SetTimeout(5000, function()
+        if vehicleExistsCallbacks[plate] then
+            vehicleExistsCallbacks[plate](false) -- Assume it doesn't exist if no response
+            vehicleExistsCallbacks[plate] = nil
+        end
+    end)
+end
+
+-- Register the event handler for vehicle existence check
+RegisterNetEvent('antidespawn:client:vehicleExistsResult', function(exists, plate)
+    if vehicleExistsCallbacks[plate] then
+        vehicleExistsCallbacks[plate](exists)
+        vehicleExistsCallbacks[plate] = nil
+    end
+end)
+
 -- Funktion um zu prüfen ob Fahrzeugklasse erlaubt ist
 local function IsVehicleClassAllowed(vehicle)
     local vehicleClass = GetVehicleClass(vehicle)
@@ -388,6 +449,24 @@ CreateThread(function()
                     goto continue
                 end
                 
+                -- Skip temporary vehicles
+                if IsTemporaryVehicle(currentVehicle) then
+                    Debug("Skipping temporary vehicle")
+                    goto continue
+                end
+                
+                -- Skip likely job vehicles
+                if IsLikelyJobVehicle(currentVehicle) then
+                    Debug("Skipping likely job vehicle")
+                    goto continue
+                end
+                
+                -- Skip recently spawned vehicles
+                if WasVehicleRecentlySpawned(plate) then
+                    Debug("Skipping recently spawned vehicle: " .. plate)
+                    goto continue
+                end
+                
                 -- Anti-Duplication: Check if this plate already exists multiple times
                 if DoesVehicleExistInWorld(plate) then
                     Debug("Anti-Dupe: Detected duplicate vehicle with plate " .. plate .. ", not tracking")
@@ -397,7 +476,7 @@ CreateThread(function()
                 -- Check if this vehicle is already being tracked
                 if not trackedVehicles[plate] and not garagePending[plate] then
                     -- First verify this vehicle exists in the database
-                    TriggerServerEvent('antidespawn:server:checkVehicleExists', plate, function(exists)
+                    CheckVehicleExists(plate, function(exists)
                         if not exists then
                             Debug("Vehicle not in database, not tracking: " .. plate)
                             return
@@ -492,19 +571,29 @@ CreateThread(function()
                     goto continue
                 end
                 
-                -- Versuche Fahrzeug wiederherzustellen, aber nur wenn es nicht in die Garage gestellt wird
+                -- Verify this vehicle still exists in the database before respawning
-                if lastKnownCoords[plate] and not garagePending[plate] then
+                CheckVehicleExists(plate, function(exists)
-                    Debug("Versuche Fahrzeug wiederherzustellen: " .. plate)
+                    if not exists then
-                    TriggerServerEvent('antidespawn:server:respawnVehicle', plate)
+                        Debug("Vehicle no longer in database, not respawning: " .. plate)
+                        trackedVehicles[plate] = nil
+                        lastKnownCoords[plate] = nil
+                        return
+                    end
                     
-                    -- Entferne aus lokaler Tracking-Liste, wird nach Respawn wieder hinzugefügt
+                    -- Versuche Fahrzeug wiederherzustellen, aber nur wenn es nicht in die Garage gestellt wird
-                    trackedVehicles[plate] = nil
+                    if lastKnownCoords[plate] and not garagePending[plate] then
-                    lastKnownCoords[plate] = nil
+                        Debug("Versuche Fahrzeug wiederherzustellen: " .. plate)
-                else
+                        TriggerServerEvent('antidespawn:server:respawnVehicle', plate)
-                    -- Entferne aus Tracking
+                        
-                    trackedVehicles[plate] = nil
+                        -- Entferne aus lokaler Tracking-Liste, wird nach Respawn wieder hinzugefügt
-                    lastKnownCoords[plate] = nil
+                        trackedVehicles[plate] = nil
-                end
+                        lastKnownCoords[plate] = nil
+                    else
+                        -- Entferne aus Tracking
+                        trackedVehicles[plate] = nil
+                        lastKnownCoords[plate] = nil
+                    end
+                end)
             end
             ::continue::
         end
@@ -548,6 +637,12 @@ end)
 RegisterNetEvent('antidespawn:client:spawnVehicle', function(data)
     Debug("Spawne Fahrzeug: " .. data.plate)
     
+    -- Skip vehicles with empty or invalid plates
+    if not data.plate or data.plate == "" or string.len(data.plate) < 2 then
+        Debug("Skipping spawn of vehicle with invalid plate")
+        return
+    end
+    
     -- Anti-Duplication: Check if vehicle was recently spawned
     if WasVehicleRecentlySpawned(data.plate) then
         Debug("Anti-Dupe: Blocking respawn of recently spawned vehicle: " .. data.plate)
@@ -570,100 +665,107 @@ RegisterNetEvent('antidespawn:client:spawnVehicle', function(data)
         return
     end
     
-    -- Allow spawning of all vehicles, not just owned ones
+    -- Verify this vehicle exists in the database before spawning
-    -- No ownership check here
+    CheckVehicleExists(data.plate, function(exists)
-    
+        if not exists then
-    -- Konvertiere Modell zu Hash wenn nötig
+            Debug("Vehicle not in database, not spawning: " .. data.plate)
-    local modelHash = data.model
-    if type(modelHash) == "string" then
-        -- Versuche den String als Hash zu interpretieren
-        if tonumber(modelHash) then
-            modelHash = tonumber(modelHash)
-        else
-            -- Versuche den String als Modellnamen zu interpretieren
-            modelHash = GetHashKey(modelHash)
-        end
-    end
-    
-    Debug("Versuche Modell zu laden: " .. tostring(modelHash))
-    
-    -- Prüfe ob Modell existiert
-    if not IsModelInCdimage(modelHash) then
-        Debug("Modell existiert nicht in CD Image: " .. tostring(modelHash))
-        return
-    end
-    
-    RequestModel(modelHash)
-    local timeout = 0
-    while not HasModelLoaded(modelHash) and timeout < 100 do
-        Wait(100)
-        timeout = timeout + 1
-        Debug("Warte auf Modell: " .. tostring(timeout) .. "/100")
-    end
-    
-    if HasModelLoaded(modelHash) then
-        Debug("Modell geladen, erstelle Fahrzeug...")
-        
-        -- Anti-Duplication: Final check before spawning
-        if GetVehicleByPlate(data.plate) then
-            Debug("Anti-Dupe: Vehicle with plate " .. data.plate .. " appeared during model loading, aborting spawn")
-            SetModelAsNoLongerNeeded(modelHash)
             return
         end
         
-        -- Verwende CREATE_AUTOMOBILE für bessere Persistenz
+        -- Konvertiere Modell zu Hash wenn nötig
-        local vehicle
+        local modelHash = data.model
-        
+        if type(modelHash) == "string" then
-        if Citizen and Citizen.InvokeNative then
+            -- Versuche den String als Hash zu interpretieren
-            -- OneSync Methode
+            if tonumber(modelHash) then
-            Debug("Verwende OneSync Methode")
+                modelHash = tonumber(modelHash)
-            vehicle = Citizen.InvokeNative(0xAF35D0D2583051B0, modelHash, data.coords.x, data.coords.y, data.coords.z, data.heading, true, true)
+            else
-        else
+                -- Versuche den String als Modellnamen zu interpretieren
-            -- Fallback
+                modelHash = GetHashKey(modelHash)
-            Debug("Verwende Fallback Methode")
+            end
-            vehicle = CreateVehicle(modelHash, data.coords.x, data.coords.y, data.coords.z, data.heading, true, false)
         end
         
-        if DoesEntityExist(vehicle) then
+        Debug("Versuche Modell zu laden: " .. tostring(modelHash))
-            -- Anti-Duplication: Mark as recently spawned
+        
-            MarkVehicleAsSpawned(data.plate)
+        -- Prüfe ob Modell existiert
-            
+        if not IsModelInCdimage(modelHash) then
-            -- Warte bis Fahrzeug vollständig geladen ist
+            Debug("Modell existiert nicht in CD Image: " .. tostring(modelHash))
-            Wait(500)
+            return
-            
-            -- Setze Kennzeichen
-            SetVehicleNumberPlateText(vehicle, data.plate)
-            
-            -- Setze Mods
-            if data.mods then
-                Debug("Setze Fahrzeugmods...")
-                SetVehicleMods(vehicle, data.mods)
-            end
-            
-            -- Setze Fuel
-            if GetResourceState(Config.FuelSystem) == 'started' then
-                exports[Config.FuelSystem]:SetFuel(vehicle, data.fuel or 100)
-            end
-            
-            -- Verhindere Despawn
-            PreventDespawn(vehicle)
-            
-            -- Füge zu getrackten Fahrzeugen hinzu
-            trackedVehicles[data.plate] = vehicle
-            lastKnownCoords[data.plate] = GetEntityCoords(vehicle)
-            
-            -- Registriere beim Server
-            TriggerServerEvent('antidespawn:server:registerVehicle', data.plate, modelHash, GetEntityCoords(vehicle), GetEntityHeading(vehicle), GetVehicleMods(vehicle))
-            
-            Debug("Fahrzeug erfolgreich gespawnt: " .. data.plate)
-        else
-            Debug("Fehler beim Spawnen des Fahrzeugs: " .. data.plate)
         end
         
-        SetModelAsNoLongerNeeded(modelHash)
+        RequestModel(modelHash)
-    else
+        local timeout = 0
-        Debug("Modell konnte nicht geladen werden: " .. data.plate .. " (Hash: " .. tostring(modelHash) .. ")")
+        while not HasModelLoaded(modelHash) and timeout < 100 do
-    end
+            Wait(100)
+            timeout = timeout + 1
+            Debug("Warte auf Modell: " .. tostring(timeout) .. "/100")
+        end
+        
+        if HasModelLoaded(modelHash) then
+            Debug("Modell geladen, erstelle Fahrzeug...")
+            
+            -- Anti-Duplication: Final check before spawning
+            if GetVehicleByPlate(data.plate) then
+                Debug("Anti-Dupe: Vehicle with plate " .. data.plate .. " appeared during model loading, aborting spawn")
+                SetModelAsNoLongerNeeded(modelHash)
+                return
+            end
+            
+            -- Verwende CREATE_AUTOMOBILE für bessere Persistenz
+            local vehicle
+            
+            if Citizen and Citizen.InvokeNative then
+                -- OneSync Methode
+                Debug("Verwende OneSync Methode")
+                vehicle = Citizen.InvokeNative(0xAF35D0D2583051B0, modelHash, data.coords.x, data.coords.y, data.coords.z, data.heading, true, true)
+            else
+                -- Fallback
+                Debug("Verwende Fallback Methode")
+                vehicle = CreateVehicle(modelHash, data.coords.x, data.coords.y, data.coords.z, data.heading, true, false)
+            end
+            
+            if DoesEntityExist(vehicle) then
+                -- Anti-Duplication: Mark as recently spawned
+                MarkVehicleAsSpawned(data.plate)
+                
+                -- Warte bis Fahrzeug vollständig geladen ist
+                Wait(500)
+                
+                -- Setze Kennzeichen
+                SetVehicleNumberPlateText(vehicle, data.plate)
+                
+                -- Setze Mods
+                if data.mods then
+                    Debug("Setze Fahrzeugmods...")
+                    SetVehicleMods(vehicle, data.mods)
+                end
+                
+                -- Setze Fuel
+                if GetResourceState(Config.FuelSystem) == 'started' then
+                    exports[Config.FuelSystem]:SetFuel(vehicle, data.fuel or 100)
+                end
+                
+                -- Verhindere Despawn
+                PreventDespawn(vehicle)
+                
+                -- Füge zu getrackten Fahrzeugen hinzu
+                trackedVehicles[data.plate] = vehicle
+                lastKnownCoords[data.plate] = GetEntityCoords(vehicle)
+                
+                -- Registriere beim Server
+                TriggerServerEvent('antidespawn:server:registerVehicle', data.plate, modelHash, GetEntityCoords(vehicle), GetEntityHeading(vehicle), GetVehicleMods(vehicle))
+                
+                Debug("Fahrzeug erfolgreich gespawnt: " .. data.plate)
+            else
+                Debug("Fehler beim Spawnen des Fahrzeugs: " .. data.plate)
+            end
+            
+            SetModelAsNoLongerNeeded(modelHash)
+        else
+            Debug("Modell konnte nicht geladen werden: " ..
+        else
+            Debug("Modell konnte nicht geladen werden: " .. data.plate .. " (Hash: " .. tostring(modelHash) .. ")")
+        end
+    end)
 end)
 
 -- Event für Garage Store (wird ausgelöst, wenn der Spieler ein Fahrzeug in die Garage stellen will)
@@ -674,6 +776,12 @@ RegisterNetEvent('jg-advancedgarages:client:store-vehicle', function(garageId, g
     if vehicle ~= 0 then
         local plate = QBCore.Functions.GetPlate(vehicle)
         
+        -- Skip vehicles with empty or invalid plates
+        if not plate or plate == "" or string.len(plate) < 2 then
+            Debug("Skipping garage storage for vehicle with invalid plate")
+            return
+        end
+        
         -- Markiere Fahrzeug als "wird in Garage gestellt"
         garagePending[plate] = true
         SetTimeout(10000, function()
@@ -695,6 +803,12 @@ end)
 -- jg-advanced-garage Events
 RegisterNetEvent('jg-advancedgarages:client:vehicle-stored', function(data)
     if data and data.plate then
+        -- Skip vehicles with empty or invalid plates
+        if not data.plate or data.plate == "" or string.len(data.plate) < 2 then
+            Debug("Skipping garage storage completion for vehicle with invalid plate")
+            return
+        end
+        
         -- Markiere Fahrzeug als "in Garage"
         garagePending[data.plate] = nil
         
@@ -713,6 +827,12 @@ end)
 
 RegisterNetEvent('jg-advancedgarages:client:vehicle-spawned', function(data)
     if data and data.plate then
+        -- Skip vehicles with empty or invalid plates
+        if not data.plate or data.plate == "" or string.len(data.plate) < 2 then
+            Debug("Skipping garage spawn completion for vehicle with invalid plate")
+            return
+        end
+        
         -- Entferne Markierung "in Garage"
         garagePending[data.plate] = nil
         
@@ -758,6 +878,24 @@ RegisterCommand('fixvehicle', function()
     if vehicle ~= 0 then
         local plate = QBCore.Functions.GetPlate(vehicle)
         
+        -- Skip vehicles with empty or invalid plates
+        if not plate or plate == "" or string.len(plate) < 2 then
+            Debug("Cannot fix vehicle with invalid plate")
+            return
+        end
+        
+        -- Skip temporary vehicles
+        if IsTemporaryVehicle(vehicle) then
+            Debug("Cannot fix temporary vehicle")
+            return
+        end
+        
+        -- Skip likely job vehicles
+        if IsLikelyJobVehicle(vehicle) then
+            Debug("Cannot fix likely job vehicle")
+            return
+        end
+        
         -- Anti-Duplication: Check if this plate already exists multiple times
         if DoesVehicleExistInWorld(plate) then
             Debug("Anti-Dupe: Detected duplicate vehicle with plate " .. plate .. ", not fixing")
@@ -766,20 +904,27 @@ RegisterCommand('fixvehicle', function()
         
         -- Prüfe ob Fahrzeug gerade in die Garage gestellt wird
         if not garagePending[plate] then
-            -- Track all vehicles, regardless of ownership
+            -- Verify this vehicle exists in the database
-            PreventDespawn(vehicle)
+            CheckVehicleExists(plate, function(exists)
-            trackedVehicles[plate] = vehicle
+                if not exists then
-            lastKnownCoords[plate] = GetEntityCoords(vehicle)
+                    Debug("Vehicle not in database, cannot fix: " .. plate)
-            
+                    return
-            -- Registriere Fahrzeug beim Server
+                end
-            local vehicleCoords = GetEntityCoords(vehicle)
+                
-            local vehicleHeading = GetEntityHeading(vehicle)
+                PreventDespawn(vehicle)
-            local vehicleModel = GetEntityModel(vehicle)
+                trackedVehicles[plate] = vehicle
-            local vehicleMods = GetVehicleMods(vehicle)
+                lastKnownCoords[plate] = GetEntityCoords(vehicle)
-            
+                
-            TriggerServerEvent('antidespawn:server:registerVehicle', plate, vehicleModel, vehicleCoords, vehicleHeading, vehicleMods)
+                -- Registriere Fahrzeug beim Server
-            
+                local vehicleCoords = GetEntityCoords(vehicle)
-            Debug("Anti-Despawn für Fahrzeug aktiviert: " .. plate)
+                local vehicleHeading = GetEntityHeading(vehicle)
+                local vehicleModel = GetEntityModel(vehicle)
+                local vehicleMods = GetVehicleMods(vehicle)
+                
+                TriggerServerEvent('antidespawn:server:registerVehicle', plate, vehicleModel, vehicleCoords, vehicleHeading, vehicleMods)
+                
+                Debug("Anti-Despawn für Fahrzeug aktiviert: " .. plate)
+            end)
         else
             Debug("Fahrzeug wird gerade in Garage gestellt, kann nicht fixiert werden: " .. plate)
         end
@@ -802,6 +947,7 @@ AddEventHandler('onResourceStop', function(resourceName)
         garagePending = {}
         spawnedVehicles = {}
         vehicleOwnership = {}
+        vehicleExistsCallbacks = {}
     end
 end)
 
@@ -813,14 +959,16 @@ RegisterCommand('checkdupes', function()
     
     for _, vehicle in pairs(vehicles) do
         local plate = QBCore.Functions.GetPlate(vehicle)
-        if plates[plate] then
+        if plate and plate ~= "" then
-            if not dupes[plate] then
+            if plates[plate] then
-                dupes[plate] = 2
+                if not dupes[plate] then
+                    dupes[plate] = 2
+                else
+                    dupes[plate] = dupes[plate] + 1
+                end
             else
-                dupes[plate] = dupes[plate] + 1
+                plates[plate] = true
             end
-        else
-            plates[plate] = true
         end
     end
     
@@ -849,3 +997,35 @@ RegisterCommand('clearownership', function()
     Debug("Cleared vehicle ownership cache")
 end, false)
 
+-- Debug command to list all tracked vehicles
+RegisterCommand('listtracked', function()
+    local count = 0
+    Debug("Currently tracked vehicles:")
+    for plate, _ in pairs(trackedVehicles) do
+        Debug("- " .. plate)
+        count = count + 1
+    end
+    Debug("Total tracked vehicles: " .. count)
+end, false)
+
+-- Debug command to delete duplicate vehicles
+RegisterCommand('deletedupes', function()
+    local vehicles = GetGamePool('CVehicle')
+    local plates = {}
+    local deleted = 0
+    
+    for _, vehicle in pairs(vehicles) do
+        local plate = QBCore.Functions.GetPlate(vehicle)
+        if plate and plate ~= "" then
+            if plates[plate] then
+                DeleteEntity(vehicle)
+                deleted = deleted + 1
+                Debug("Deleted duplicate vehicle with plate: " .. plate)
+            else
+                plates[plate] = true
+            end
+        end
+    end
+    
+    Debug("Deleted " .. deleted .. " duplicate vehicles")
+end, false)

resources/[carscripts]/nordi_antidespawn/server/main.lua

@@ -77,6 +77,22 @@ CreateThread(function()
     end)
 end)
 
+-- Check if a vehicle exists in the database
+RegisterNetEvent('antidespawn:server:checkVehicleExists', function(plate)
+    local src = source
+    
+    -- Skip vehicles with empty or invalid plates
+    if not plate or plate == "" or string.len(plate) < 2 then
+        TriggerClientEvent('antidespawn:client:vehicleExistsResult', src, false, plate)
+        return
+    end
+    
+    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
+        local exists = result and #result > 0
+        TriggerClientEvent('antidespawn:client:vehicleExistsResult', src, exists, plate)
+    end)
+end)
+
 -- Check if a player owns a vehicle
 RegisterNetEvent('antidespawn:server:checkVehicleOwnership', function(plate)
     local src = source
@@ -87,6 +103,12 @@ RegisterNetEvent('antidespawn:server:checkVehicleOwnership', function(plate)
         return 
     end
     
+    -- Skip vehicles with empty or invalid plates
+    if not plate or plate == "" or string.len(plate) < 2 then
+        TriggerClientEvent('antidespawn:client:vehicleOwnershipResult', src, false, plate)
+        return
+    end
+    
     MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND citizenid = ?', {plate, Player.PlayerData.citizenid}, function(result)
         local isOwned = result and #result > 0
         TriggerClientEvent('antidespawn:client:vehicleOwnershipResult', src, isOwned, plate)
@@ -100,6 +122,12 @@ RegisterNetEvent('antidespawn:server:registerVehicle', function(plate, model, co
     
     if not Player then return end
     
+    -- Skip vehicles with empty or invalid plates
+    if not plate or plate == "" or string.len(plate) < 2 then
+        Debug("Skipping vehicle with invalid plate")
+        return
+    end
+    
     -- Check if vehicle exists in player_vehicles (any player)
     MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
         if not result or #result == 0 then
@@ -163,10 +191,19 @@ RegisterNetEvent('antidespawn:server:updateVehicle', function(plate, coords, hea
     if not Player then return end
     if not vehicles[plate] then return end
     
+    -- Skip vehicles with empty or invalid plates
+    if not plate or plate == "" or string.len(plate) < 2 then
+        Debug("Skipping update for vehicle with invalid plate")
+        return
+    end
+    
     -- Check if vehicle exists in player_vehicles (any player)
     MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
         if not result or #result == 0 then
             Debug("Vehicle not found in database: " .. plate)
+            -- Remove from tracking as it no longer exists in the database
+            vehicles[plate] = nil
+            MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
             return
         end
         
@@ -210,6 +247,12 @@ RegisterNetEvent('antidespawn:server:removeVehicle', function(plate)
     local src = source
     if not vehicles[plate] then return end
     
+    -- Skip vehicles with empty or invalid plates
+    if not plate or plate == "" or string.len(plate) < 2 then
+        Debug("Skipping removal for vehicle with invalid plate")
+        return
+    end
+    
     vehicles[plate] = nil
     
     MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {
@@ -226,6 +269,12 @@ RegisterNetEvent('antidespawn:server:respawnVehicle', function(plate)
     
     if not Player then return end
     
+    -- Skip vehicles with empty or invalid plates
+    if not plate or plate == "" or string.len(plate) < 2 then
+        Debug("Skipping respawn for vehicle with invalid plate")
+        return
+    end
+    
     -- Anti-Duplication: Check if there's already an active spawn request for this plate
     if activeSpawns[plate] then
         Debug("Anti-Dupe: Already processing spawn request for: " .. plate)
@@ -305,6 +354,14 @@ RegisterNetEvent('antidespawn:server:loadVehicles', function()
     
     -- Load all vehicles in the database, not just owned ones
     for plate, vehicle in pairs(vehicles) do
+        -- Skip vehicles with empty or invalid plates
+        if not plate or plate == "" or string.len(plate) < 2 then
+            Debug("Skipping load for vehicle with invalid plate")
+            vehicles[plate] = nil
+            MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
+            goto continue
+        end
+        
         -- Check if vehicle is in garage by querying the database
         MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
             if not result or #result == 0 then
@@ -354,6 +411,7 @@ RegisterNetEvent('antidespawn:server:loadVehicles', function()
                 loadedCount = loadedCount + 1
             end
         end)
+        ::continue::
     end
     
     -- Warte kurz und lade dann die Fahrzeuge
@@ -379,6 +437,7 @@ RegisterNetEvent('antidespawn:server:loadVehicles', function()
     end)
 end)
 
+
 -- Cleanup alte Einträge (älter als 24 Stunden)
 CreateThread(function()
     while true do
@@ -511,6 +570,24 @@ RegisterCommand('activespawns', function(source, args, rawCommand)
     end
 end, true)
 
+-- Check if a vehicle exists in the database
+RegisterNetEvent('antidespawn:server:checkVehicleExists', function(plate, callback)
+    local src = source
+    
+    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
+        local exists = result and #result > 0
+        TriggerClientEvent('antidespawn:client:vehicleExistsResult', src, exists, plate)
+    end)
+end)
+
+-- Client callback for vehicle existence check
+RegisterNetEvent('antidespawn:client:vehicleExistsResult', function(exists, plate)
+    -- This event will be handled by the callback system
+end)
+
+
+
+
 -- Clean up when resource stops
 AddEventHandler('onResourceStop', function(resourceName)
     if resourceName == GetCurrentResourceName() then