Warning: require(vendor/autoload.php): Failed to open stream: No such file or directory in /customers/8/2/9/albaniadds.com/httpd.www/dds_system/sms.php on line 2

Fatal error: Uncaught Error: Failed opening required 'vendor/autoload.php' (include_path='.:/usr/share/php') in /customers/8/2/9/albaniadds.com/httpd.www/dds_system/sms.php:2
Stack trace:
#0 {main}
  thrown in /customers/8/2/9/albaniadds.com/httpd.www/dds_system/sms.php on line 2