Fatal error: Uncaught Error: Class "FormatJson" not found in /home/data/www/shonky.systems/mediawiki/includes/exception/MWExceptionHandler.php:657 Stack trace: #0 /home/data/www/shonky.systems/mediawiki/includes/exception/MWExceptionHandler.php(195): MWExceptionHandler::logError() #1 /home/data/www/shonky.systems/mediawiki/includes/AutoLoader.php(81): MWExceptionHandler::handleError() #2 /home/data/www/shonky.systems/mediawiki/includes/AutoLoader.php(81): require('...') #3 /home/data/www/shonky.systems/mediawiki/includes/exception/MWExceptionHandler.php(621): AutoLoader::autoload() #4 /home/data/www/shonky.systems/mediawiki/includes/exception/MWExceptionHandler.php(111): MWExceptionHandler::logException() #5 /home/data/www/shonky.systems/mediawiki/includes/exception/MWExceptionHandler.php(129): MWExceptionHandler::rollbackMasterChangesAndLog() #6 [internal function]: MWExceptionHandler::handleException() #7 {main} thrown in /home/data/www/shonky.systems/mediawiki/includes/exception/MWExceptionHandler.php on line 657