Fatal error: Uncaught MediaWiki\Config\ConfigException: DiscussionTools requires $wgFragmentMode to be set to [ 'html5', 'legacy' ] or [ 'html5' ] in /var/www/html/w/extensions/DiscussionTools/includes/Hooks/RegistrationHooks.php:32 Stack trace: #0 /var/www/html/w/includes/registration/ExtensionRegistry.php(587): MediaWiki\Extension\DiscussionTools\Hooks\RegistrationHooks::onRegistration() #1 /var/www/html/w/includes/registration/ExtensionRegistry.php(333): MediaWiki\Registration\ExtensionRegistry->exportExtractedData() #2 /var/www/html/w/includes/Setup.php(295): MediaWiki\Registration\ExtensionRegistry->loadFromQueue() #3 /var/www/html/w/includes/WebStart.php(85): require_once('...') #4 /var/www/html/w/index.php(50): require('...') #5 {main} thrown in /var/www/html/w/extensions/DiscussionTools/includes/Hooks/RegistrationHooks.php on line 32