Since the January update, the plugin has been spamming with errors.

[Oxide] 18:30 [Error] Failed to call hook 'OnEntityKill' on plugin 'CarTurrets v1.6.3' (NullReferenceException: Object reference not set to an instance of an object.)
  at Oxide.Plugins.CarTurrets.OnEntityKill (AutoTurret turret) [0x00000] in <e5930c85a84c417f8034f34bfd1ec54f>:0
  at Oxide.Plugins.CarTurrets.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x003d6] in <e5930c85a84c417f8034f34bfd1ec54f>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <d82f1fa409f84967ab685a3dbdd116ae>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <2a1b2b9b0c9d45ea87d32bff811299cc>:0