Same. this issue is produced on following case.
login to app store connect and go to https://appstoreconnect.apple.com/access/users
login session expired but the browser isn't refreshed yet and i can see Users and Access page
trying to add a user:
input a user email and clicks invite button on New User form.
the browser will be refreshed and logged out because the login session is expired.
re-login app store connect and go to Users and Access page
then can't see and add this email using on step 3 in Users and Access page.
please fix
Jordi Albers
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