I'm trying to submit an app to the app store, the app was developed on my personal Apple ID and is being submitted on behalf of a third party (for which my Apple ID is an admin). I am getting an error stating that no iTunes Connect account can be found even though I have Admin/Legal rights.
What am I doing wrong? The app is being signed with their provisioning profile, etc
The Apple ID which you are using to upload the app; that Apple ID must be connected to both the portals (iTunesConnect and Developer) with the minimum roles given below:-