Fatal error: Uncaught Error: Interface "League\CommonMark\Extension\ConfigurableExtensionInterface" not found in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/league/commonmark/src/Extension/CommonMark/CommonMarkCoreExtension.php:28 Stack trace: #0 {main} thrown in /home/wwwarms/ws.arms-tools.com/websocket-server/vendor/league/commonmark/src/Extension/CommonMark/CommonMarkCoreExtension.php on line 28