App installation failed due to application-identifier entitlement

Question

I am unable to install a watchOS 2 WatchKit app due to an application-identifier entitlement. This happened after turning on App Groups in the Capabilities tab.

Full

Answer 1

I tried a few thing myself like updating/making new provisioning profiles, fixing entitlements in Apple Member Center and in project but in my case, I simply had to delete the application and re-run it.

o_O

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This application's application-identifier entitlement does not match that of the installed application.

NOTE: it says "...does not match the installed application"

I guess it happened for me because we added a new app extension and there must have been some target related migration issues? Not sure but anyways