Warning: require_once(vendor/composer/vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/html/ilias/components/ILIAS/UI/tests/Renderer/AbstractRendererTest.php on line 22

Fatal error: Uncaught Error: Failed opening required 'vendor/composer/vendor/autoload.php' (include_path='.:/usr/share/php') in /var/www/html/ilias/components/ILIAS/UI/tests/Renderer/AbstractRendererTest.php:22 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/UI/tests/Renderer/AbstractRendererTest.php on line 22