Unable to create a new Apple ID account

You can try to create your Apple ID on another place, for example on the web

Create your Apple ID on the web

1. Go to appleid.apple.com and click Create Your Apple ID.
2. Follow the onscreen steps to provide an email address, create a strong password, and set your device region. The email address that you provide will be your new Apple ID.*
3. Enter a phone number that you can always access.
4. Check the boxes to subscribe to Apple Updates if you'd like. This keeps you up to date on the latest news, software, products, and services from Apple.
5. Click Continue.
6. Follow the onscreen steps to verify your email address and phone number. 

This article explains how to create a new Apple ID (create an Apple Account) --> How to create a new Apple ID - Apple Support

If you see a 'Could Not Create Apple ID' or 'Could Not Set Up iCloud' message, read this article --> If you see "The maximum number of free accounts have been activated" - Apple Support