Warning: require(/htdocs/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php): Failed to open stream: No such file or directory in /htdocs/vendor/composer/autoload_real.php on line 41

Fatal error: Uncaught Error: Failed opening required '/htdocs/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php' (include_path='.:/usr/share/php') in /htdocs/vendor/composer/autoload_real.php:41 Stack trace: #0 /htdocs/vendor/composer/autoload_real.php(45): {closure}('0e6d7bf4a5811bf...', '/htdocs/vendor/...') #1 /htdocs/vendor/autoload.php(25): ComposerAutoloaderInit74ab73114a599f4a2997b6a284f9e273::getLoader() #2 /htdocs/vendor/autoload_runtime.php(5): require_once('/htdocs/vendor/...') #3 /htdocs/public/index.php(5): require_once('/htdocs/vendor/...') #4 {main} thrown in /htdocs/vendor/composer/autoload_real.php on line 41