Fatal error: Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in /nfs/web_mwn/www/w/a31d1aw/webserver/htdocs/lassalle/templates/base_classes.php:37 Stack trace: #0 /nfs/web_mwn/www/w/a31d1aw/webserver/htdocs/lassalle/templates/base_classes.php(37): mysqli_fetch_assoc() #1 /nfs/web_mwn/www/w/a31d1aw/webserver/htdocs/lassalle/templates/specific_classes.php(260): DB->get_assoc_result() #2 /nfs/web_mwn/www/w/a31d1aw/webserver/htdocs/lassalle/anzeige/person.php(19): Person->get_persons() #3 {main} thrown in /nfs/web_mwn/www/w/a31d1aw/webserver/htdocs/lassalle/templates/base_classes.php on line 37