This object currently cannot be queried via SF API and will be excluded from the backups.
Our engineering team will keep working with Salesforce to see how it can be reinstated.
Jan 13, 14:37 UTC
Our engineering team is working closely with Salesforce Partner Support on this issue.
The error is specific to sandboxes following the Salesforce Spring 21' rollout last weekend.
Jan 12, 18:16 UTC
We're tracking an elevated level of errors with Salesforce API for Sandbox backups.
Errors are for the following object:
- Embedded Service Label
Our engineering team is currently looking into it and working with Salesforce on the issue.
Jan 10, 10:29 UTC