NullReferenceException and KeyNotFoundException with config/dataNot An Issue
Could not initialize plugin 'PlayerChallenges v2.0.45' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.PlayerChallenges.LoadConfig () [0x00018] in <cf341b07538b41a48d4fcf512e5f3e28>:0 
  at Oxide.Core.Plugins.Plugin.HandleAddedToManager (Oxide.Core.Plugins.PluginManager manager) [0x0000f] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.CSPlugin.HandleAddedToManager (Oxide.Core.Plugins.PluginManager manager) [0x00000] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Plugins.CSharpPlugin.HandleAddedToManager (Oxide.Core.Plugins.PluginManager manager) [0x00000] in <9affce1cd15c4ec183941adef8db1722>:0 
  at Oxide.Plugins.RustPlugin.HandleAddedToManager (Oxide.Core.Plugins.PluginManager manager) [0x0028e] in <084be7fd6c72451ba19c0a6b963e2741>:0 
  at Oxide.Core.Plugins.PluginManager.AddPlugin (Oxide.Core.Plugins.Plugin plugin) [0x00027] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.OxideMod.PluginLoaded (Oxide.Core.Plugins.Plugin plugin) [0x00035] in <4452f821def6406d834e4149849fe7ea>:0 

Failed to call hook 'cmdPC' on plugin 'PlayerChallenges v2.0.45' (KeyNotFoundException: The given key was not present in the dictionary.)

at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x0001e] in <a8ed250850854b439cedc18931a314fe>:0

at Oxide.Plugins.PlayerChallenges+UI.Container (System.String panelName, System.String aMin, System.String aMax, System.Boolean cursor) [0x00013] in <7dae2713f5a04e64b7550ed6649e2a06>:0

at Oxide.Plugins.PlayerChallenges.CreateMenuContents (BasePlayer player, System.Int32 page) [0x00000] in <7dae2713f5a04e64b7550ed6649e2a06>:0

at Oxide.Plugins.PlayerChallenges.CreateMenu (BasePlayer player) [0x00014] in <7dae2713f5a04e64b7550ed6649e2a06>:0

at Oxide.Plugins.PlayerChallenges.cmdPC (BasePlayer player, System.String command, System.String[] args) [0x0000b] in <7dae2713f5a04e64b7550ed6649e2a06>:0

at Oxide.Plugins.PlayerChallenges.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0072e] in <7dae2713f5a04e64b7550ed6649e2a06>: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

Looks like your configuration and/or data is corrupt or edited wrongly, and would need to be fixed or reset.
Locked automatically