Fatal error: Uncaught Exception: FF_Integer::set_prop property 'min' (=.1) must be allways less or equal to 'max' (=0). in /var/www/kbsta.usr/html/kolpingbuehne.de/kvv-2.0.0rc3/extern/mpl-v2.0.0/lib/class.FF_Integer.inc:107 Stack trace: #0 /var/www/kbsta.usr/html/kolpingbuehne.de/kvv-2.0.0rc3/extern/mpl-v2.0.0/lib/class.FF_Cardinal.inc(74): FF_Integer->set_prop() #1 /var/www/kbsta.usr/html/kolpingbuehne.de/kvv-2.0.0rc3/extern/mpl-v2.0.0/lib/class.Form.inc(220): FF_Cardinal->set_prop() #2 /var/www/kbsta.usr/html/kolpingbuehne.de/kvv-2.0.0rc3/html/orderform.php(121): Form->add_field() #3 {main} thrown in /var/www/kbsta.usr/html/kolpingbuehne.de/kvv-2.0.0rc3/extern/mpl-v2.0.0/lib/class.FF_Integer.inc on line 107