Removing a group that is under Analytics restrictions breaks the Analytics page on a given space

Issue Summary

Removing a group that is under Analytics restrictions breaks the Analytics page on a given space

Steps to Reproduce

1. Restrict Analytics in a Space to the group X
2. Delete the group X

Expected Results

The Analytics page keeps working normally

Actual Results

The Analytics page breaks, throwing the error message:

Insufficient permissions

You don't have permission to view analytics. You can request access from your Confluence administrator.

Workaround

Please contact us so we can remove the restrictions for you.