Warning: require_once(//vendor/autoload_runtime.php): Failed to open stream: No such file or directory in /htdocs/index.php on line 5

Fatal error: Uncaught Error: Failed opening required '//vendor/autoload_runtime.php' (include_path='.:/usr/share/php') in /htdocs/index.php:5 Stack trace: #0 {main} thrown in /htdocs/index.php on line 5