WP wont open on player join

Failed to call hook 'OnPlayerConnected' on plugin 'WelcomePanel v3.2.2' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.WelcomePanel.OnPlayerConnected (BasePlayer player) [0x0000b] in <3fecf15721114b1c92f73e96f1dc81b3>:0  68,077 ents, 4 slprs                                                                              503b/s in, 11b/s out
  at Oxide.Plugins.WelcomePanel.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000bf] in <3fecf15721114b1c92f73e96f1dc81b3>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <23ba99f131254889867c71f0bd137b1d>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <157a94ee66ab4a7991faecd1eb84be3b>:0

from what you said my guess would be broken config

Changed Status from Pending to Not a Bug