When entering commands wrong it displays an error message.

Failed to call hook 'CCTVCommand' on plugin 'CCTVUtilities v1.5.1' (IndexOutOfRangeException: Index was outside the bounds of the array.)
  at Oxide.Plugins.CCTVUtilities.CCTVCommand (BasePlayer ply, System.String cctv, System.String[] args) [0x00aab] in <36cd36c63d354383975b48c061c36d66>:0 
  at Oxide.Plugins.CCTVUtilities.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00d99] in <36cd36c63d354383975b48c061c36d66>: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​

To improve the plugin code quality please implement checks for bad user input.