You receive error code 2-ARVHA-0000 when trying to use the YouTube application on Nintendo Switch.
What to Do:
Make sure your Nintendo Switch is connected to the internet.
Make sure the date and time is set correctly on your Nintendo Switch.
Delete the application from the Nintendo Switch and re-download it from the Nintendo eShop.
Situation Not Resolved:
Please contact YouTube directly to provide feedback at https://www.youtube.com/switch_feedback.