Warning: require(vendor/autoload.php): Failed to open stream: No such file or directory in /www/wwwroot/vip.ooppp.com/index.php on line 7

Fatal error: Uncaught Error: Failed opening required 'vendor/autoload.php' (include_path='.:/www/server/php/84/lib/php') in /www/wwwroot/vip.ooppp.com/index.php:7 Stack trace: #0 {main} thrown in /www/wwwroot/vip.ooppp.com/index.php on line 7