Thread:Extension talk:Translate/Fatal Error require once when try to install the MLEB/reply (5)

Thats the adress of my wiki: http://s522574288.online.de/wiki/Flusserwiki2/ I use mediawiki 1.22.6 and the latest version of MLEB.

When I include the code lines described on http://www.mediawiki.org/wiki/MediaWiki_Language_Extension_Bundle to my localsettings.php I get following error:

Fatal error: require_once: Failed opening required '/extensions/Babel/Babel.php' (include_path='.:/usr/lib/php5.4') in /homepages/9/d522574303/htdocs/wiki/Flusserwiki2/LocalSettings.php on line 138

I tried to solve it by myself over and over again. I have php5.4 on my server running, i tried different paths for the $IP variable(it solved the same problem on a virtual server i ran on my localhost), i even experimented with the cache and other soultions.

I do not understand why mediawiki doesnt find the extensions. Other extensions I included with the main installation of mediawiki have the same directory and path and there is no problem at all.