UIApplication.registerForRemoteNotifications() must be called from main thread only

Question

Xcode 9 (iOS 11) showing me an error/warning while registering for Push (remote) notification.

Here is error message

And here is code, I\'ve tried:<

Answer 1

This is what worked for me. Courtesy of @Mason11987 in the accepted comment above.

DispatchQueue.main.async() { code }