phpbb/phpbb3 — pull request #1344 by hjpotter92 (2013-04-12 14:43:15+00:00)
Title: [ticket/11424] Handle race condition properly

In circumstances when quickmod-race occur, `General Error` message will
instead be handled based on action taken. On allowed quickmod tools,
display suitable error message with proper reasons.

PHPBB3-11424