I setup an form-based activity and get to the point at which I need to get the preview links for the test. When I click "View Experience URLs" I get the message "ERROR Failed to generate preview links". In the browser developer console, I see that the response from the server is a 500 error.
Did something break?
Can you please let us know the status of the activity i.e. Active , Inactive or Draft. As You cannot preview an experience that has the Draft status.
The status is Inactive, however it turned out there was an issue on Adobe's end regarding form-based activities that was resolved yesterday (5/2/2017).
Thanks for letting us know. Please do reach out to community in case of any further queries.