Ребят помогите в чем ошибка?запускался нормально потом перестал 
	 
 
[09.12.17 11:44:11] NPC 31865 class not found: 
java.lang.NullPointerException
	at ru.catssoftware.gameserver.geodata.GeoEngine.getGeoBlockFromGeoCoords(GeoEngine.java:1340)
	at ru.catssoftware.gameserver.geodata.GeoEngine.NgetHeight(GeoEngine.java:1015)
	at ru.catssoftware.gameserver.geodata.GeoEngine.getHeight(GeoEngine.java:69)
	at ru.catssoftware.gameserver.geodata.GeoEngine.getHeight(GeoEngine.java:64)
	at ru.catssoftware.gameserver.model.L2Spawn.intializeNpcInstance(L2Spawn.java:582)
	at ru.catssoftware.gameserver.model.L2Spawn.doSpawn(L2Spawn.java:509)
	at ru.catssoftware.gameserver.model.L2Spawn.init(L2Spawn.java:433)
	at ru.catssoftware.gameserver.datatables.SpawnTable.parseSpawnNpcNode(SpawnTable.java:562)
	at ru.catssoftware.gameserver.datatables.SpawnTable.parseSpawnNode(SpawnTable.java:595)
	at ru.catssoftware.gameserver.datatables.SpawnTable.parseDocument(SpawnTable.java:615)
	at ru.catssoftware.commons.data.xml.base.XMLDocument.load(XMLDocument.java:22)
	at ru.catssoftware.gameserver.datatables.SpawnTable.fillSpawnTable(SpawnTable.java:88)
	at ru.catssoftware.gameserver.datatables.SpawnTable.<init>(SpawnTable.java:61)
	at ru.catssoftware.gameserver.datatables.SpawnTable.<clinit>(SpawnTable.java:43)
	at ru.catssoftware.gameserver.L2GameServer.<init>(L2GameServer.java:381)
	at ru.catssoftware.gameserver.L2GameServer.main(L2GameServer.java:186)