Go to NPCSpawns.java and find
And change it to this codeCode:World.spawnNPC(npcId, new WorldTile(x, y, plane), mapAreaNameHash, canBeAttackFromOutOfArea);
Code:if (NPCDefinitions.getNPCDefinitions(npcId).name != "null") World.spawnNPC(npcId, new WorldTile(x, y, plane), mapAreaNameHash, canBeAttackFromOutOfArea);