Fix the job overflow crash (#5560)

* Fix the overflow crash

* localization fail

Content.Server/GameTicking/GameTicker.Spawning.cs

@@ -81,6 +81,15 @@ namespace Content.Server.GameTicking
                 return;
             }
 
+            // Pick best job best on prefs.
+            jobId ??= PickBestAvailableJob(character, station);
+            // If no job available, just bail out.
+            if (jobId is null)
+            {
+                _chatManager.DispatchServerMessage(player, Loc.GetString("game-ticker-player-no-jobs-available-when-joining"));
+                return;
+            }
+
             PlayerJoinGame(player);
 
             var data = player.ContentData();
@@ -94,9 +103,6 @@ namespace Content.Server.GameTicking
             };
             newMind.ChangeOwningPlayer(data.UserId);
 
-            // Pick best job best on prefs.
-            jobId ??= PickBestAvailableJob(character, station);
-
             var jobPrototype = _prototypeManager.Index<JobPrototype>(jobId);
             var job = new Job(newMind, jobPrototype);
             newMind.AddRole(job);