Warning: require(vendor/autoload.php): Failed to open stream: No such file or directory in /data/wwwroot/www.seoboke.net/contact.php on line 4

Fatal error: Uncaught Error: Failed opening required 'vendor/autoload.php' (include_path='.:') in /data/wwwroot/www.seoboke.net/contact.php:4 Stack trace: #0 {main} thrown in /data/wwwroot/www.seoboke.net/contact.php on line 4