Warning: require_once(autoload_runtime.php): Failed to open stream: No such file or directory in /home/pacs/chh00/htdocs/drupalx/web/index.php on line 13

Fatal error: Uncaught Error: Failed opening required 'autoload_runtime.php' (include_path='.:/usr/share/php') in /home/pacs/chh00/htdocs/drupalx/web/index.php:13
Stack trace:
#0 {main}
  thrown in /home/pacs/chh00/htdocs/drupalx/web/index.php on line 13