This is their answer - from 3 different persons:

Thank you for contacting Meta’s Data Handling Support.

We apologise for the inconvenience you are facing. We are glad that you mentioned that ID-Bound is not a registered company and it is the name of the website you own. We understand that you are unable to proceed with the business verification part. However, please be informed that if you are enquiring about questions related to Data handling, we can help you.

Unfortunately, we are unable to offer any specific suggestions about how to correct the mentioned issue, but please feel free to ask a question in the Facebook Developer Community Forum: https://developers.facebook.com/community/ or the Facebook Developer Community Group: https://www.facebook.com/groups/fbdevelopers/

Additionally for more information you may access this link. https://developers.facebook.com/docs/development/release/business-verification/

If you have any further questions or concerns regarding data handling questions, please feel free to reach out to us again.

Best Regards, Filipe Moiduson | Meta Data Handling Support | Tom RosnBrickman | Meta Data Handling Support | Ari Fotinatossky | Meta Data Handling Support |