Fatal error: Uncaught Error: Interface "League\CommonMark\ConfigurableEnvironmentInterface" not found in /var/www/html/repo/school-infix-v6.0/vendor/league/commonmark/src/Environment.php:31 Stack trace: #0 {main} thrown in /var/www/html/repo/school-infix-v6.0/vendor/league/commonmark/src/Environment.php on line 31