Hello,
I managed to do an update from 1.11 to 1.21.2 and now all works (functions) but skins are something like not reconized ! I tried changing from monobook to common to chick nothing works. Here it is : http://azrai.com/wiki/thehub.php
Topic on Project:Support desk/Flow
load.php isn't working on your site. And thehub.php isn't a normal file in MediaWiki.
What is in your .htaccess?
Thehub.php is the name of the index (from LocalSettings rewrite rules)
Right. I suspect there is something wrong with your .htaccess file. Could you paste it? Oh, but it looks like you've fixed your problem already. Good luck!