Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /docker/cms.zqp.de/html/pgf/config.php:27 Stack trace: #0 /docker/cms.zqp.de/html/pgf/config.php(27): mysqli_query() #1 /docker/cms.zqp.de/html/pgf/data.php(26): xquery() #2 {main} thrown in /docker/cms.zqp.de/html/pgf/config.php on line 27