@ofail <object> [=<message>]. The @ofail message, prefixed by the player's name, is shown to others when the player fails to use <object>. Without a message argument, it clears the message. <object> can be specified as <name> or #<number>, or as 'me' or 'here'. This is the same as: '@set <object>=_/ofl:[text]'. See also @FAIL.