[TYPO3] FE USER REGISTRATION and Multiple Checkboxes

[Aji Johannes]

Hello List,
after i resolved my first problem, i get the second problem :(
my TCA multiple Checkboxes get unchecked the form submited  (if one of 
the requiered Field is not filled)

is there any conditions of TS setup or Constants for the checkboxes field???

fe_user_registration Version: 2.5.5 and it is supporting Multiple 
Checkboxes.

could you please help me ???

regards
Johannes