Warning: require(/var/www/vendor/composer/../symfony/polyfill-php70/bootstrap.php): Failed to open stream: No such file or directory in /var/www/vendor/composer/autoload_real.php on line 69

Fatal error: Uncaught Error: Failed opening required '/var/www/vendor/composer/../symfony/polyfill-php70/bootstrap.php' (include_path='.:/usr/local/lib/php') in /var/www/vendor/composer/autoload_real.php:69 Stack trace: #0 /var/www/vendor/composer/autoload_real.php(59): composerRequire5a9ba8703c3a13fe3f7d37e1c8da7eb4('023d27dca8066ef...', '/var/www/vendor...') #1 /var/www/vendor/autoload.php(7): ComposerAutoloaderInit5a9ba8703c3a13fe3f7d37e1c8da7eb4::getLoader() #2 /var/www/web/autoload.php(16): require('/var/www/vendor...') #3 /var/www/web/index.php(14): require_once('/var/www/web/au...') #4 {main} thrown in /var/www/vendor/composer/autoload_real.php on line 69