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

Fatal error: Uncaught Error: Failed opening required '/home/www/website/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php' (include_path='.:/usr/share/php') in /home/www/website/vendor/composer/autoload_real.php:41 Stack trace: #0 /home/www/website/vendor/composer/autoload_real.php(45): {closure:ComposerAutoloaderInit79738c1361bc4ab026de79fb060947fb::getLoader():37}() #1 /home/www/website/vendor/autoload.php(22): ComposerAutoloaderInit79738c1361bc4ab026de79fb060947fb::getLoader() #2 /home/www/website/public/index.php(14): require_once('...') #3 {main} thrown in /home/www/website/vendor/composer/autoload_real.php on line 41