when looting a corpse, the NPC will not be guilty of BetterNpc, BetterNpc can be guilty when someone kills the NPC and a loot is generated inside it. If this happens when killing an NPC, then you need to find the preset of this NPC and find an impossible condition in the loot settings. For example, you specified 3 items to choose from in the loot list, which should appear inside the loot of the NPC, and also indicated that 5 items should appear inside the npc, so you could cause the server to stop because the plugin needs to spawn 5 items, but you specified only 3 to choose from and it tries endlessly find 2 more that don't exist. This is as an example, what could be so that you understand what to look for approximately