Coming from an unverified source

Keep getting this message: Coming from an unverified source can result in malicious actions being taken against your application.
Any advice?

Known issue:

ssue Number: 2478114

Issue Status: Integration

Date Reported:

Estimated Resolution Date: 8/4/2021

When navigating the app or saving records some users are seeing this error message “Caution: You were sent to this page from an unverified source”

Alternative Solution:
On the error message screen you will clear your cache and cookies and hard reload the browser page (Shift F5).

Product Line: Keap & Max Classic