How to turn custom error for Orchestrator in Azure?
To turn on the custom error for Orchestrator in Azure we first need to access and edit the web.config file. Even though there are several methods to reach that file, the most reliable one is via the Kudu console > CMD > site > wwwroot > Web.config:
Once there, the file can be downloaded or directly modified it in there. To turn on the custom errors in the web.config and when accessing the site, to get a more verbose error, the “customErrors” key needs to be turned Off: