Solved Error for each plugin

Hi guys,

I don't know why but i got this error for all plugins.

Code:

[Oxide] 11:37 PM [Error] Failed to call hook 'cmdChatRemove' on plugin 'RemoverTool v2.2.20' (NullReferenceException: Object reference not set to an instance of an object)
[Oxide] 11:37 PM [Debug]   at Oxide.Core.Libraries.Permission.GetUserData (System.String userid) [0x00000] in <filename unknown>:0
  at Oxide.Core.Libraries.Permission.UserHasPermission (System.String userid, System.String perm) [0x00000] in <filename unknown>:0
  at Oxide.Plugins.RemoverTool.hasAccess (.BasePlayer player, System.String ttype) [0x00000] in <filename unknown>:0
  at Oxide.Plugins.RemoverTool.TriggerRemove (.BasePlayer player, System.String[] args, System.String ttype) [0x00000] in <filename unknown>:0
  at Oxide.Plugins.RemoverTool.cmdChatRemove (.BasePlayer player, System.String command, System.String[] args) [0x00000] in <filename unknown>:0
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 

When I type /remove or /help or something else.

 

Rly thx man you saved me.