Thread:Project:Support desk/Urgent: Thumbnail not working in MediaWiki 1.19/reply (3)

Thanks to the support of Mark I solved the problem.

Here you can read how: http://www.mediawiki.org/w/index.php?title=Talk:MediaWiki_1.19&offset=20120619113258&lqt_mustshow=16503#Thumbnails_didn.27t_work_since_Update_to_1.19_16503