Error _BSMachError: (os/kern) invalid capability (20) after receiving remote notification on CloudKit record addition

Question

When I receive a remote notification on a record addition (didReceiveRemoteNotification called), I get the following error message:

_BSMachError: (os/

Answer 1

For Swift 5, I ended up with:

func alertAction() {
  DispatchQueue.main.async {
     //perform code
  }
}