We have built our Sitecore 9.1 solution in Azure Web Apps. We have added custom
400 error pages by making use of the Error Manager module from Sitecore https://marketplace.sitecore.net/en/Modules/Sitecore_Error_Manager.aspx.
It is working locally with
IIS. But when it is deployed to Azure Web Apps, it is showing
403 page from Azure with the error message
Error 403 - This web app is stopped. instead of custom pages which we added in Sitecore application for both 400 and 403 Http status codes.
How to add custom error pages for