Console Error

Console give me this error while compiling:

Failed to call hook 'Unload' on plugin 'WelcomePanel v3.2.21' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.WelcomePanel.Unload () [0x00000] in <5f4f901dbd3142e2b48f9b730da2f606>:0
  at Oxide.Plugins.WelcomePanel.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0022a] in <5f4f901dbd3142e2b48f9b730da2f606>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <87ce9ac9776a48658bc55eae6debe38b>:0                                                             4kb/s in, 11kb/s out
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <b6d06fce9e044af4a6ddc8d724bd3b0b>:0
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <b6d06fce9e044af4a6ddc8d724bd3b0b>:0

#metoo

would need to see config files too but since it's happening on "Unload" it should not be anything serious