“An App ID with bundle identifier X is not available. Please enter a different string” (Xcode 7.3)

Question

After updating to the latest build of Xcode 7.3 (7D175), every time I try to Export for adhoc distribution I get the above error. Everything was working fine up until the up

Answer 1

Sometimes after you click on Export the selected Team doesn't match the one in the certificate. You should check that the selected Team is correct if you have multiple teams on the same machine.