killyou, developer from the Clans Reborn plugin wrote this today: NoEscape is trying to access Clans before its plugin reference has been initialized. You should notify the author.

That is what a guy posted before:

Failed to call hook 'OnClanUpdate' on plugin 'NoEscape v2.1.24' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.NoEscape.GetClan (System.String tag) [0x0000d] in :0
  at Oxide.Plugins.NoEscape.OnClanUpdate (System.String tag) [0x00000] in :0
  at Oxide.Plugins.NoEscape.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x010d9] in :0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0​

Btw. I don't have that issue. Just wanted to let you know.