TestFlight Says App is Unavailable or Not Found – Need Help Troubleshooting

Hi everyone,

I’m having trouble distributing my app via TestFlight. I created the app completely from scratch — new bundle ID, new build number, fresh provisioning profile, and certificates. Everything looks correctly set up in App Store Connect, and the build is marked as ready for testing.

However, when I send the TestFlight link to testers, they get a message saying the app is "unavailable" or "not found."

I’ve double-checked all settings, and I can’t figure out what I’m missing.

Has anyone experienced this before or have any suggestions on how to fix it?

Any help is appreciated!