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

Fatal error: Uncaught Error: Failed opening required '/home/fluesco/magento/vendor/composer/../symfony/polyfill/src/bootstrap.php' (include_path='.:/usr/share/pear:/usr/share/php') in /home/fluesco/magento/vendor/composer/autoload_real.php:41 Stack trace: #0 /home/fluesco/magento/vendor/composer/autoload_real.php(45): {closure}() #1 /home/fluesco/magento/vendor/autoload.php(25): ComposerAutoloaderInit6dec7c5a8bb9efa9afc41b13a7d630b6::getLoader() #2 /home/fluesco/magento/app/autoload.php(51): include('...') #3 /home/fluesco/magento/app/bootstrap.php(44): require_once('...') #4 /home/fluesco/magento/pub/index.php(12): require('...') #5 {main} thrown in /home/fluesco/magento/vendor/composer/autoload_real.php on line 41