Fix ShopVehicles, Upodate /goto

Server/Commands/Admin.cs

@@ -659,9 +659,21 @@ namespace reallife_gamemode.Server.Commands
                         return;
                     }
                     else
+                    {
+                        using (var dbContext = new DatabaseContext())
+                        {
+                            Entities.GotoPoint p = dbContext.GotoPoints.FirstOrDefault(x => x.Description == description);
+                            if(p == null)
                             {
                                 SaveManager.SaveGotoPoint(player, description);
                             }
+                            else
+                            {
+                                player.SendChatMessage("Einen Goto-Punkt mit dieser Bezeichnung gibt es schon!");
+                            }
+                        }
+                        
+                    }
                     
                     break;
                 case "Vehicle":

Server/Entities/ShopVehicles.cs

@@ -21,7 +21,7 @@ namespace reallife_gamemode.Server.Entities
         public int Id { get; set; }
 
         [ForeignKey("Shop")]
-        public int ShopId { get; set; }
+        public int? ShopId { get; set; }
         public Shop Shop { get; set; }
 
         public VehicleHash Model { get; set; }