If your users encounter an issue when attempting to access a Browser Access enabled application, the end user notification (EUN) includes the error code. For example:

The EUN heading (e.g., ZPA BA: Proxy loop detected) is a hyperlink which leads your users to the Zscaler Help Portal for more information and the HTTP status code is always displayed. This information also appears in the diagnostics. To learn more, see Private Applications.

To learn more regarding Private Applications error and policy block codes, including possible resolutions, see Understanding Session Status Codes.