請問黑鵝子狂跳這個是哪邊設定有錯誤?

天涯何處無芳草

	java.lang.NullPointerException         at com.lineage.server.model.L1AttackNpc.calcPcDamage(L1AttackNpc.java:349)         at com.lineage.server.model.L1AttackNpc.calcDamage(L1AttackNpc.java:239)         at com.lineage.server.model.L1MobSkillUse.physicalAttack(L1MobSkillUse.java:986)         at com.lineage.server.model.L1MobSkillUse.useSkill(L1MobSkillUse.java:233)         at com.lineage.server.model.L1MobSkillUse.skillUse(L1MobSkillUse.java:190)         at com.lineage.server.model.Instance.L1NpcInstance.attack(L1NpcInstance.java:607)         at com.lineage.server.model.Instance.L1NpcInstance.onTarget(L1NpcInstance.java:503)         at com.lineage.server.model.Instance.NpcAI.stopAIProcess(NpcAI.java:139)         at com.lineage.server.model.Instance.NpcAI.run(NpcAI.java:50)         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)         at java.lang.Thread.run(Thread.java:745)