Fatal error: Uncaught Error: Interface 'MediaWiki\Hook\BeforePageDisplayHook' not found in /home/mapeador/solecov2/w/extensions/UniversalLanguageSelector/includes/Hooks.php:50
Stack trace:
#0 {main}
thrown in /home/mapeador/solecov2/w/extensions/UniversalLanguageSelector/includes/Hooks.php on line 50