The page hangs when trying to edit a MediaWiki translation

True, happens for me as well. The error seen in the logs is about translation memory: 

08.22 -rakkaus:#mediawiki-i18n- [14-Aug-2014 06:22:29 UTC] PHP Fatal error:  Maximum execution time of 15 seconds exceeded in 
         /www/translatewiki.net/w/extensions/Translate/ttmserver/TTMServer.php on line 115
Nemo (talk)‎06:23, 14 August 2014
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