Glossary app not working

Unauthorized: Could not find stored client data for 0e5eb46d-7f71-3d85-a6f6-8fdf42dbe3ec. Is this client registered?

Please let me know the fix asap

Welcome to the Atlassian developer community @RonaldHunterWaaS,

I’m not sure to what you are referring. Do you mean the Glossary for Confluence app on Marketplace? If so, I advise seeking help through Vector’s support channels.