Fatal error: Uncaught ExtensionDependencyError: PDFEmbed is not compatible with the current MediaWiki core (version 1.39.13), it requires: >= 1.43.0. in /data/www/allmultimedia_cz/www/includes/registration/ExtensionRegistry.php:432 Stack trace: #0 /data/www/allmultimedia_cz/www/includes/registration/ExtensionRegistry.php(276): ExtensionRegistry->readFromQueue(Array) #1 /data/www/allmultimedia_cz/www/includes/Setup.php(278): ExtensionRegistry->loadFromQueue() #2 /data/www/allmultimedia_cz/www/includes/WebStart.php(86): require_once('/data/www/allmu...') #3 /data/www/allmultimedia_cz/www/index.php(44): require('/data/www/allmu...') #4 {main} thrown in /data/www/allmultimedia_cz/www/includes/registration/ExtensionRegistry.php on line 432