问题
I'm building an iOS app using storyboards.I have transfer my project to another mac.
When I'm creating a ipa, organiser screen opens and I selected export and then saved for ad-hoc deployment, but I'm getting an error as shown below.
Here is the screenshot:

I tried to import all provisioning files again but its not working.I'm unable to handle this issue.
回答1:
You need to export your distribution certificate from your first machine to second machine. Then install ad hoc provisioning profile on second machine.
来源:https://stackoverflow.com/questions/27378854/unable-to-create-ipa-in-xcode-6