Fatal error: Uncaught ArgumentCountError: mysqli_error() expects exactly 1 argument, 0 given in /customers/a/0/a/moorwiesen.de/httpd.www/buchenmuehle/db.php:41 Stack trace: #0 /customers/a/0/a/moorwiesen.de/httpd.www/buchenmuehle/db.php(41): mysqli_error() #1 /customers/a/0/a/moorwiesen.de/httpd.www/buchenmuehle/index.php(39): include('/customers/a/0/...') #2 {main} thrown in /customers/a/0/a/moorwiesen.de/httpd.www/buchenmuehle/db.php on line 41