Warning: require(/var/www/html/vendor/composer/../laravel/framework/src/Illuminate/Collections/helpers.php): Failed to open stream: No such file or directory in /var/www/html/vendor/composer/autoload_real.php on line 41

Fatal error: Uncaught Error: Failed opening required '/var/www/html/vendor/composer/../laravel/framework/src/Illuminate/Collections/helpers.php' (include_path='.:/usr/local/lib/php') in /var/www/html/vendor/composer/autoload_real.php:41 Stack trace: #0 /var/www/html/vendor/composer/autoload_real.php(45): {closure}('265b4faa2b3a976...', '/var/www/html/v...') #1 /var/www/html/vendor/autoload.php(25): ComposerAutoloaderInit8c23aa9bb65c8df017d1a17bf3fa293c::getLoader() #2 /var/www/html/public/index.php(34): require('/var/www/html/v...') #3 /var/www/html/server.php(21): require_once('/var/www/html/p...') #4 {main} thrown in /var/www/html/vendor/composer/autoload_real.php on line 41