Fatal error: Uncaught Error: Non-static method Person::get_persons() cannot be called statically in /nfs/web_mwn/www/w/a31d1aw/webserver/htdocs/lassalle/anzeige/person.php:18 Stack trace: #0 {main} thrown in /nfs/web_mwn/www/w/a31d1aw/webserver/htdocs/lassalle/anzeige/person.php on line 18