Red exclamation
While updating my watch this sign appear, and i cannot do anything with the watch anymore, can anyone help me how to solve it
Apple Watch
This is what is on the Blue link I gave.
If you see a red "!" on your Apple Watch
Try these steps to force restart your Apple Watch.
If your Apple Watch displays 
after a software update, try these steps:
- Press and hold both the side button and Digital Crown for at least 10 seconds.
- When you see the Apple logo, release both buttons.
- If you still need help, contact Apple Support to set up a mail-in repair.