Warning: require(/var/www/backend/vendor/composer/../codeception/codeception/functions.php): Failed to open stream: No such file or directory in /var/www/backend/vendor/composer/autoload_real.php on line 39

Fatal error: Uncaught Error: Failed opening required '/var/www/backend/vendor/composer/../codeception/codeception/functions.php' (include_path='.:/usr/local/lib/php') in /var/www/backend/vendor/composer/autoload_real.php:39 Stack trace: #0 /var/www/backend/vendor/composer/autoload_real.php(43): {closure:ComposerAutoloaderInit88970a0117c062eed55fa8728fc43833::getLoader():35}('e3b2795a8a512b6...', '/var/www/backen...') #1 /var/www/backend/vendor/autoload.php(22): ComposerAutoloaderInit88970a0117c062eed55fa8728fc43833::getLoader() #2 /var/www/backend/public/index.php(14): require('/var/www/backen...') #3 {main} thrown in /var/www/backend/vendor/composer/autoload_real.php on line 39