Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /is/htdocs/wp1114263_1FMGRQ86LA/www/programm/ausstellung.php:9 Stack trace: #0 /is/htdocs/wp1114263_1FMGRQ86LA/www/programm/ausstellung.php(9): mysqli_query('SET NAMES 'utf8...') #1 {main} thrown in /is/htdocs/wp1114263_1FMGRQ86LA/www/programm/ausstellung.php on line 9