Fatal error: Uncaught Error: Class "ApiBase" not found in /var/www/html/orian-wiki/extensions/Echo/includes/Push/Api/ApiEchoPushSubscriptionsCreate.php:12 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/extensions/Echo/includes/Push/Api/ApiEchoPushSubscriptionsCreate.php on line 12