My goal is to run my Ionic app on my iPhone. I don\'t figure out what could be the reason explaining this exception:
myIonicApp$ sudo ionic run ios
Che
Try going into Xcode preferences, into Accounts and clicking the refresh button at the bottom left of the dialog.
As Mik378 said on his comment the right destination path of the provisioning profiles seems to be /Library/MobileDevice so all you have to do is copy everything you need to that folder:
sudo cp -r ~/Library/MobileDevice/ /Library/MobileDevice/