A knowledge base article about Shared Access Permissions need to be authorized to schedule Zoom meetings in bCal provided by the UC Berkeley IT Service Hub - Knowledge Portal
Zoom recently added a new permission requirement for add-ons that use shared access permissions. If you have scheduling privileges for another person’s calendar, you may run into an error when trying to schedule or modify a meeting using the Zoom add-on for Google Calendar. The change will require you to authorize the add-on (app) before you can continue to use it.
The error may say something like:
Click here to visit Zoom Marketplace and enable "Allow this app to use my shared access permissions"for the Google Workspace app from the Shared Access Permissions column. After enabling, remove this item by clicking "✕" and try again.
To resolve this issue, please follow the steps below:
Alternatively, you can try doing this from within Google Calendar:
If you need additional support, please contact ITCS.
Credit to the University of Michigan and CMU for resource material