Sign-out Loop in Safari Browser
You experience a sign-out loop problem in an Apple Safari browser when you click Sign out from your account. The sign-out loop continues to toggle between two URLs. This issue results from a cookie setting in the Safari browser.
How do I fix the problem?
Close the Safari browser or tab where you're experiencing the sign-out loop issue.
Open up a new instance of the Safari browser.
From the menu at the top, click Edit > Preferences > Security tab.
Under Accept cookies, select Always.
Close the window.
What if I want to know more?