Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/clients/client1962/web4826/web/veranstaltungen/global/seminar-anmeldung4.php:471 Stack trace: #0 /var/www/clients/client1962/web4826/web/veranstaltungen/global/seminar-anmeldung4.php(1440): teilnehmer->LadeDaten(false, '') #1 /var/www/clients/client1962/web4826/web/veranstaltungen/v_tuttlingen2022/anmeldung.php(47): require('/var/www/client...') #2 {main} thrown in /var/www/clients/client1962/web4826/web/veranstaltungen/global/seminar-anmeldung4.php on line 471