An App ID with Identifier 'com.example.app.extention' is not available. Please enter a different string

Question

I have tried to add extensions to my iOS app, both a today extension and an Apple Watch app. My app has been completed however when submitting my archive I got the error bas

Answer 1

I can see lot's of great answers,

I tried a few of them but no luck, finally I used "Use local signing assets" option to export ipa and it works for me.

Hopefully this will help someone.

Answer 2

For a typical bundle ID such as com.mycompany.appname, the App ID name must be in this format:

XC com mycompany appname a name in any other format won't be seen by Xcode.

Answer 3

My problem was that when adding entitlements they never made it into the App Id in the member portal. Verify your app settings in the portal match your product entitlements file. Regen and download the provisioning profile as needed.