Failed to call hook 'OnEntityDeath' on plugin 'SimpleKillFeed v2.1.2' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.SimpleKillFeed.GetWeaponName (HitInfo hitInfo) [0x00017] in <15a353eddd974589b105e82cbfd2e4bd>:0

  at Oxide.Plugins.SimpleKillFeed.GetCustomWeaponName (HitInfo hitInfo) [0x00000] in <15a353eddd974589b105e82cbfd2e4bd>:0

  at Oxide.Plugins.SimpleKillFeed.OnEntityDeath (BaseAnimalNPC victim, HitInfo hitInfo) [0x00086] in <15a353eddd974589b105e82cbfd2e4bd>:0

  at Oxide.Plugins.SimpleKillFeed.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0026e] in <15a353eddd974589b105e82cbfd2e4bd>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0

after loading zombie hordes im not sure if this what causes it.

Merged post

seems to be working fine so not sure exactly