Fatal error: Could not check compatibility between MediaWiki\HookContainer\HookRunner::onJsonValidateSave(JsonContent $content, MediaWiki\Page\PageIdentity $pageIdentity, StatusValue $status) and MediaWiki\Content\Hook\JsonValidateSaveHook::onJsonValidateSave(MediaWiki\Content\JsonContent $content, MediaWiki\Page\PageIdentity $pageIdentity, StatusValue $status), because class MediaWiki\Content\JsonContent is not available in H:\root\home\rlyehable-001\www\rlyehable\w2\includes\HookContainer\HookRunner.php on line 2264