Exception encountered, of type &quot;Error&quot;<br />
[b6efce5c] /wiki/EN/load.php?debug=false&amp;lang=de&amp;modules=mediawiki.legacy.commonPrint%2Cshared%7Cmediawiki.sectionAnchor%2Cui%7Cmediawiki.skinning.interface%7Cmediawiki.special.userlogin.common.styles%7Cmediawiki.special.userlogin.login.styles%7Cmediawiki.ui.button%2Ccheckbox%2Cinput%2Cradio%7Cskins.vector.styles&amp;only=styles&amp;skin=vector   Error from line 653 of D:\SOCCER\_New_Root\wiki\EN\includes\exception\MWExceptionHandler.php: Class 'FormatJson' not found<br />
Backtrace:<br />
#0 D:\SOCCER\_New_Root\wiki\EN\includes\exception\MWExceptionHandler.php(241): MWExceptionHandler::logError(ErrorException, string)<br />
#1 D:\SOCCER\_New_Root\wiki\EN\includes\AutoLoader.php(90): MWExceptionHandler::handleError(integer, string, string, integer, array)<br />
#2 D:\SOCCER\_New_Root\wiki\EN\includes\AutoLoader.php(90): require()<br />
#3 [internal function]: AutoLoader::autoload(string)<br />
#4 D:\SOCCER\_New_Root\wiki\EN\includes\resourceloader\ResourceLoader.php(125): spl_autoload_call(string)<br />
#5 D:\SOCCER\_New_Root\wiki\EN\includes\resourceloader\ResourceLoader.php(684): ResourceLoader-&gt;preloadModuleInfo(array, ResourceLoaderContext)<br />
#6 D:\SOCCER\_New_Root\wiki\EN\load.php(47): ResourceLoader-&gt;respond(ResourceLoaderContext)<br />
#7 {main}<br />