Wiping off of field content in IT0002 through process and forms

Hi Experts,

I am currently working on the a marital status form through P&F.

We have observed an issue wherein when the form is approved and the backend table updates, the fields in infotype 02 in particular get wiped off.

I figured out that the fields that aren't included/defined in the back end services are vanishing, hence this can be rectified by including those one by one.

But is there a way to include all the fields in the process at once so that it does not have to be done manually?

OR

Is there any other way to avoid the wiping off of the field values in the table?

Thanks in advance.

Regards,

Trishna