About [[Wikia:Autocreatewiki-welcometalk-wall/en]]

CLOSED This issue is closed by siebrand

The smiley is causing problems due to the system detects an unclosed bracket.

gerrit:29265 should fix that, but doesn't so far. It's late, so I'll check tomorrow if I did something wrong.

It was indeed time related. Little details like a group ID actually help... gerrit:29323 fixes it.