Hi Roald,
This is a Microsoft account alias / subscription attachment issue, not a storage corruption issue. Only Billing support can help you with this to make changes at the backend.
Please get in touch with Microsoft Support for further help.
Please go to https://support.microsoft.com/contactus page
Type the ""Chat with someone"" option and press Enter.
Please click on the ""Contact support"" button at the bottom.
Select the Product and Category for support according to your requirement.
The available support methods will be shown to you.
I hope this information helps. If you have any more questions, don't hesitate to reach out.
Otherwise, please take a moment to rate the answer. Wishing you good luck!