I have the Netherlands residence since March 2016 as a family member of a Dutch national.
- I am still happily married.
- There has been no reason to revoke my previous residence permit.
- I have passed the integration exam.
I'm applying for a Non-temporary humanitarian residence permit (Verblijfsvergunning humanitair niet-tijdelijk) in order to have my own residence permit with no connection to my Dutch family memeber.
I am completing the application and selecting the options which are relevant to me:

and on the following page, the form asks me to upload my divorce document which does not make any sense - as I am still married to my partner:

Does this mean there is an error in the process flow? How this can be flagged and corrected?
What should I do in this situation - any advice?
p.s. I have tried to call IND Kantoor number +31880430430 (from https://ind.nl/nl/service-contact/conta ... met-de-ind) - but the number is busy constantly.