Exception on onSpawn() in notifySpawn(): null java.lang.NullPointerException

Exeption on GS load in Live Server, i think it's about Fort, Castle spawns
[17/01 03:51:43] ---------------------------------------------------=[ Siege ]
[17/01 03:51:43] Siege of Gludio: Sun Jan 20 16:00:00 YAKT 2019
[17/01 03:51:43] Siege of Dion: Sun Jan 20 20:00:00 YAKT 2019
[17/01 03:51:43] Siege of Giran: Sun Jan 20 20:00:00 YAKT 2019
[17/01 03:51:43] Siege of Oren: Sun Jan 20 20:00:00 YAKT 2019
[17/01 03:51:43] Siege of Aden: Sun Jan 20 16:00:00 YAKT 2019
[17/01 03:51:43] Siege of Innadril: Sun Jan 20 16:00:00 YAKT 2019
[17/01 03:51:43] Siege of Goddard: Sun Jan 20 16:00:00 YAKT 2019
[17/01 03:51:43] Siege of Rune: Sun Jan 20 16:00:00 YAKT 2019
[17/01 03:51:43] Siege of Schuttgart: Sun Jan 20 16:00:00 YAKT 2019
[17/01 03:51:43] Exception on onSpawn() in notifySpawn(): null
java.lang.NullPointerException
    at com.l2jserver.gameserver.model.entity.Fort.getCastleIdByAmbassador(Fort.java:1057)
    at com.l2jserver.gameserver.model.entity.Fort.getCastleByAmbassador(Fort.java:1066)
    at ai.npc.CastleAmbassador.CastleAmbassador.onSpawn(CastleAmbassador.java:162)
    at com.l2jserver.gameserver.model.quest.Quest.notifySpawn(Quest.java:520)
    at com.l2jserver.gameserver.model.quest.Quest.lambda$addSpawnId$18(Quest.java:2056)
    at com.l2jserver.gameserver.model.events.listeners.ConsumerEventListener.executeEvent(ConsumerEventListener.java:46)
    at com.l2jserver.gameserver.model.events.EventDispatcher.notifyToListeners(EventDispatcher.java:242)
    at com.l2jserver.gameserver.model.events.EventDispatcher.notifyEventToMultipleContainers(EventDispatcher.java:178)
    at com.l2jserver.gameserver.model.events.EventDispatcher.lambda$notifyEventAsync$0(EventDispatcher.java:121)
    at com.l2jserver.gameserver.ThreadPoolManager$RunnableWrapper.run(ThreadPoolManager.java:89)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    at java.base/java.lang.Thread.run(Thread.java:844)

[17/01 03:51:44] FortManager: Loaded: 21 fortress
[17/01 03:51:45] SiegeScheduleData: Loaded: 2 siege schedulers.
[17/01 03:51:45] CastleManorManager: Loaded 258 seeds.
[17/01 03:51:45] CastleManorManager: Manor data loaded.
[17/01 03:51:45] MercTicketManager: Loaded: 0 Mercenary Tickets
[17/01 03:51:45] QuestManager: Loaded: 520 quests.
[17/01 03:51:45] QuestManager: Loaded: 273 scripts.
[17/01 03:51:45] SevenSignsFestival: Initialization bypassed due to Seal Validation in effect.
[17/01 03:51:45] Event ID: (Valentines Event) has passed... Ignored.
[17/01 03:51:45] FaenorScriptEngine: Loaded  Valentines.xml successfully.
[17/01 03:51:45] AutoSpawnHandler: Loaded 129 handlers in total.
[17/01 03:51:45] TaskManager: Loaded: 12 Tasks
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