NullReferenceException in OnNpcPlayerTarget
Failed to call hook 'OnNpcPlayerTarget' on plugin 'ZoneManager v2.5.8' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Core.Plugins.HookCache.GetHookMethod (System.Object[] args, System.Int32 index, Oxide.Core.Plugins.HookCache& cache) [0x00055] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.HookCache.GetHookMethod (System.Object[] args, System.Int32 index, Oxide.Core.Plugins.HookCache& cache) [0x00082] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.HookCache.GetHookMethod (System.String hookName, System.Object[] args, Oxide.Core.Plugins.HookCache& cache) [0x00023] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.CSPlugin.FindHooks (System.String name, System.Object[] args) [0x00000] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x00004] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0 
Not really an issue with the plugin, the hook needs a fix and more testing. Try again with the next Oxide update once it hits.