Fatal error: Uncaught Error: Interface "Whoops\Handler\HandlerInterface" not found in /srv/www/sites/public/starter-cms/vendor/nunomaduro/collision/src/Contracts/Handler.php:13 Stack trace: #0 {main} thrown in /srv/www/sites/public/starter-cms/vendor/nunomaduro/collision/src/Contracts/Handler.php on line 13