Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /customers/a/6/5/wallpaintings.dk/httpd.www/lib/mysql.php:5
Stack trace:
#0 /customers/a/6/5/wallpaintings.dk/httpd.www/lib/mysql.php(5): mysqli_query('SET NAMES 'utf8...')
#1 /customers/a/6/5/wallpaintings.dk/httpd.www/lib/config.php(13): include('/customers/a/6/...')
#2 /customers/a/6/5/wallpaintings.dk/httpd.www/index.php(2): require_once('/customers/a/6/...')
#3 {main}
  thrown in /customers/a/6/5/wallpaintings.dk/httpd.www/lib/mysql.php on line 5