The page is blank
Check the screenshot and console output in the run report first. A blank page usually means the app rendered without visible content even though the request itself completed.
Redirect loop
Check auth middleware, route guards, and callback flows. Redirect loops are usually application logic problems, not worker problems.
Webhook did not fire
Confirm the CI job sends the request after deploy and that the project secret matches the current webhook configuration.
Discord alert missing
Check whether the project has a webhook URL saved, or whether you expected the default webhook from Settings to populate it.