Warning: require(/config_hedda.php): Failed to open stream: No such file or directory in /customers/0/3/4/heddagabler.nl/httpd.www/index.php on line 3

Fatal error: Uncaught Error: Failed opening required '/config_hedda.php' (include_path='.:/usr/share/php') in /customers/0/3/4/heddagabler.nl/httpd.www/index.php:3
Stack trace:
#0 {main}
  thrown in /customers/0/3/4/heddagabler.nl/httpd.www/index.php on line 3