Warning: require(db.php): Failed to open stream: No such file or directory in /customers/e/6/7/capoeira-schule.de/httpd.www/mitglieder/index.php on line 3

Fatal error: Uncaught Error: Failed opening required 'db.php' (include_path='.:/usr/share/php') in /customers/e/6/7/capoeira-schule.de/httpd.www/mitglieder/index.php:3
Stack trace:
#0 {main}
  thrown in /customers/e/6/7/capoeira-schule.de/httpd.www/mitglieder/index.php on line 3