As the title says, if I use the o.usergroup command or any other command, such as grant, revoke, etc. without any parameter, I get a null error
Failed to call hook 'OnServerCommand' on plugin 'TemporaryPermissions v0.1.0' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.TemporaryPermissions.CommandUserGroup (System.String[] args) [0x00014] in <77a7d872b2154971802c677f14aad733>:0 at Oxide.Plugins.TemporaryPermissions.OnServerCommand (ConsoleSystem+Arg arg) [0x00062] in <77a7d872b2154971802c677f14aad733>:0 at Oxide.Plugins.TemporaryPermissions.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x062a0] in <77a7d872b2154971802c677f14aad733>:0 at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <206a0f2c6ee141f38e2ad549cde44d70>:0 at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in :0 at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in :0