Welcome to our forum, @Michael_Tan. The team is pretty sure logging out/in should take care of this issue, perhaps using a separate Chrome Profile in your next attempt (if you have multiple accounts).
If the issue persists, it would be worth to try the same from another browser – Paperpile runs on any Chromium-based one like Brave, Vivaldi, MS Edge in case you’re able to use any of them for troubleshooting. Let us know.