[17:54:47 INFO]: Mr_Mars_ issued server command: /ex flag my_secret_door_flag
[17:54:47 INFO]:  Starting InstantQueue 'EXCOMMAND_PhotosLockingObtain'... 
[17:54:47 INFO]:  Queue 'EXCOMMAND_PhotosLockingObtain' Executing: FLAG 
                   "my_secret_door_flag" 
[17:54:47 INFO]: +- Executing dCommand: FLAG/p@Mr_Mars_ ---------+ 
[17:54:47 INFO]: +> [dEntity] valueOf dEntity returning null: 
                   my_secret_door_flag 
[17:54:47 INFO]:  ERROR! Woah! Invalid arguments were specified! 
[17:54:47 INFO]: +> [Denizen] +> MESSAGE follows: 'Invalid Entity target.' 
[17:54:47 INFO]: +> [Denizen] Usage: flag ({player}/npc/server/<entity>) 
                   [<name>([<#>])](:<action>)[:<value>] (duration:<value>) 
[17:54:47 INFO]: +> [Denizen] (Attempted: FLAG "my_secret_door_flag")