Hi @lisna-ja,
Thank you for joining the PayPal Community and making your first post! I'm sorry to hear about the loop you're experiencing. I can imagine how frustrating it is!
Please try clearing the cookies and cache in your web browser, close it, reopen it, and log in again to try to upgrade. If the problem persists after that, please reach out to Customer Service for further troubleshooting.
I hope this is quickly resolved!
Olivia
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