Error when applying page restrictions

Issue Summary

Not able to add or remove, users/groups from the page restrictions in a particular page with the below error on the UI:

 There was an error submitting the page restrictions. Please try again later"

Environment

• Cloud

Steps to Reproduce

• Navigate to the page
• Click the padlock icon to add/remove page restrictions
• Try to add or remove any user or group

Expected Results

The user or group should be added without any issues.

Actual Results

There was an error submitting the page restrictions. Please try again later.

Workaround

Contact support to identify what group is causing the problem. The problematic group needs to be removed and re-added on the page restrictions manually.