Fatal error: Uncaught Error: Interface "MediaWiki\Hook\UnblockUserCompleteHook" not found in /var/www/html/w/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/UnblockUserComplete.php:13 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/SemanticMediaWiki/src/MediaWiki/Hooks/UnblockUserComplete.php on line 13