Warning: require(vendor/autoload.php): Failed to open stream: No such file or directory in /opt/web/weshare/bootstrap.php on line 5

Fatal error: Uncaught Error: Failed opening required 'vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /opt/web/weshare/bootstrap.php:5 Stack trace: #0 /opt/web/weshare/public/index.php(8): require() #1 {main} thrown in /opt/web/weshare/bootstrap.php on line 5