[Oxide] 06:32 [Error] Failed to call hook 'Command_Sort' on plugin 'SortButton v0.1.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.SortButton.Command_Sort (Oxide.Core.Libraries.Covalence.IPlayer iplayer, System.String command, System.String[] args) [0x000a0] in <4d38a28291e44ab6adca4bc5c715f77b>:0 
  at Oxide.Plugins.SortButton.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0074c] in <4d38a28291e44ab6adca4bc5c715f77b>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in :0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in :0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in :0 

Failed to call hook 'Command_Sort' on plugin 'SortButton v0.1.2' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.SortButton.Command_Sort (Oxide.Core.Libraries.Covalence.IPlayer iplayer, System.String command, System.String[] args) [0x0008f] in <2e8e6c395180490891b15d9cd5b81af7>:0
at Oxide.Plugins.SortButton.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0074c] in <2e8e6c395180490891b15d9cd5b81af7>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in :0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in :0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in :0​

MONaH

Update to latest version

Oh, sorry buddy! Must have downloaded the last one just before that hit. My bad, will update it now. 

[Sort Button] Failed to sortbutton.sort: System.NullReferenceException: Object reference not set to an instance of an object
at Oxide.Plugins.SortButton.Command_Sort (Oxide.Core.Libraries.Covalence.IPlayer iplayer, System.String command, System.String[] args) [0x000a6] in <4a34b21945df4f0f8fdfb5beab3058f8>:0
Failed to call hook 'Command_Sort' on plugin 'SortButton v1.0.0' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.SortButton.Command_Sort (Oxide.Core.Libraries.Covalence.IPlayer iplayer, System.String command, System.String[] args) [0x00248] in <4a34b21945df4f0f8fdfb5beab3058f8>:0
at Oxide.Plugins.SortButton.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0074c] in <4a34b21945df4f0f8fdfb5beab3058f8>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <cf88a28c7fb44d36890d85a78331cc9d>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <cf88a28c7fb44d36890d85a78331cc9d>:0

Sometimes this error appears, but the plugin keeps working ...