Hi @Bruno ,
I would recommend trying to access the page with a different account login that is a member of the tenant and is not a risky user. https://learn.microsoft.com/en-gb/entra/identity/enterprise-apps/troubleshoot-app-publishing
If you have a pending request, you can track the status via the Microsoft Application Network Portal: Microsoft Application Network TrackRequests (sharepoint.com). Since joining the Microsoft Partner Network is a pre-requisite for this, I'd suggest that you also submit a request in the Partner Center as well: Partner Center (microsoft.com)
When I try to access the page, I receive the prompt to request access:
I do not have the tools to see information about your request so I would recommend reaching out via the Partner Center to get unblocked, if you still face the error.
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