Warning: require(Phrase/__.php): Failed to open stream: No such file or directory in /var/www/magento/releases/55/vendor/magento/framework/registration.php on line 12

Fatal error: Uncaught Error: Failed opening required 'Phrase/__.php' (include_path='.:/usr/local/lib/php') in /var/www/magento/releases/55/vendor/magento/framework/registration.php:12 Stack trace: #0 /var/www/magento/releases/55/vendor/composer/autoload_real.php(41): require() #1 /var/www/magento/releases/55/vendor/composer/autoload_real.php(45): {closure}('07ec02c7e667fdc...', '/var/www/magent...') #2 /var/www/magento/releases/55/vendor/autoload.php(25): ComposerAutoloaderInit471c0b51e86d1c0b97fe4c5c8f987b96::getLoader() #3 /var/www/magento/releases/55/app/autoload.php(51): include('/var/www/magent...') #4 /var/www/magento/releases/55/app/bootstrap.php(44): require_once('/var/www/magent...') #5 /var/www/magento/releases/55/pub/index.php(12): require('/var/www/magent...') #6 {main} thrown in /var/www/magento/releases/55/vendor/magento/framework/registration.php on line 12