Just installed latest update and seeing this in console now.

Failed to call hook 'OnUserConnected' on plugin 'Clans v0.2.5' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.Clans.OnUserConnected (Oxide.Core.Libraries.Covalence.IPlayer player) [0x00032] in <11356864d90f4f3484274fecf33a0fa4>:0
at Oxide.Plugins.Clans.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x001c9] in <11356864d90f4f3484274fecf33a0fa4>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <31122a27a2414cd799150f8677cf39d4>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <0fbce81d88d64454b3e7abb24df7026b>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <0fbce81d88d64454b3e7abb24df7026b>:0

After deleting the Data and Config file, installed the plugin again and still getting this error. 

Yeah i have the same error.

Removed the plugin, removed Config and Data file. Installed plugin again and getting this error. Something is wrong with this plugin I think

Failed to call hook 'OnServerInitialized' on plugin 'Clans v0.2.5' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.Clans.InitializeClans () [0x00017] in <58af776ac6fc4caba53e06daa50d84c6>:0
at Oxide.Plugins.Clans.OnServerInitialized () [0x0001f] in <58af776ac6fc4caba53e06daa50d84c6>:0
at Oxide.Plugins.Clans.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00117] in <58af776ac6fc4caba53e06daa50d84c6>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <9882f28dc2204b4dba514a9ad18f5042>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <9882f28dc2204b4dba514a9ad18f5042>:0