Hello,
Welcome to Micrsoft Q&A!
Because publishing the APP using the package URL is neither helpful nor friendly.
According to the document, you must enter at least one versioned secure URL pointing to app package (MSI/EXE) hosted on your CDN.
It would be helpful if a meeting could be arranged at the earliest.
Please open a free support ticket here: Contact Us. Select Developer, Student and Startup Programs -> Windows Developer Center-> APP Management in the support page. You could talk to the store team directly.
Thank you