Fatal error: Uncaught ArgumentCountError: mktime() expects at least 1 argument, 0 given in /data/web/1/000/014/961/12684/htdocs/heideloh/formular.php:83 Stack trace: #0 /data/web/1/000/014/961/12684/htdocs/heideloh/formular.php(83): mktime() #1 {main} thrown in /data/web/1/000/014/961/12684/htdocs/heideloh/formular.php on line 83