Solution 1:
- Clear the browser cache and make sure no cookies or other storage items are saved for the app.
- Reload the page.
- If this doesn’t work, follow the solution 2.
Solution 2:
In v4.2.x, as part of security tightening, some fixes were done in the area of cookie handling. Unfortunately, these security fixes have the potential to break existing proxy rules/settings. If this is the case, then users will notice there will be no app cookies stored in browser.
...