Last modified: 2014-01-17 21:55:11 UTC
To reproduce: Click a moderation action. Click the "X" to cancel. Click a moderation action. Results in error. Eg. "[4215cb93] 2013-12-23 20:03:59: Fatal exception of type MWException"
The WMF core features team tracks this bug on Mingle card https://mingle.corp.wikimedia.org/projects/flow/cards/653, but people from the community are welcome to contribute here and in Gerrit.
Confirmed by Klipe at https://www.mediawiki.org/w/index.php?title=Talk:Flow&workflow=050c87cec11a5624fa1590b11c27932f#flow-post-050c87cec1225624fa1590b11c27932f