Apple id maximum

See -> If you see a Could Not Create Apple ID or Could Not Set Up iCloud message

If you see a Could Not Create Apple ID or Could Not Set Up iCloud message - Apple Support

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If you still need to set up iCloud with this Apple ID, contact Apple Support for help. 

Your Apple ID is the account you use to access Apple services like the App Store, Apple Music, iCloud, iMessage, FaceTime, and more. You sign in to all Apple services with this single Apple ID and password.

In your language, see

Jika Anda melihat pesan Tidak Dapat Membuat ID Apple atau Tidak Dapat Mengatur iCloud

Jika Anda melihat pesan Tidak Dapat Membuat ID Apple atau Tidak Dapat Mengatur iCloud - Apple Support (ID)

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Jika Anda masih perlu mengatur iCloud dengan ID Apple ini, hubungi Dukungan Apple untuk mendapatkan bantuan. 

ID Apple Anda adalah akun yang digunakan untuk mengakses layanan Apple seperti App Store, Apple Music, iCloud, iMessage, FaceTime, dan banyak lagi. Anda masuk ke semua layanan Apple dengan satu ID Apple dan kata sandi.

Are you trying to register this iPhone to your Apple ID ?

iPhones can only carry 3 Apple IDs in their lifespan, so if there where already 3 on this phone, you cannot register it to your Apple ID

If you want to create a new Apple ID, do this on another place, you can only create 3 Apple IDs per device.

See this link on where else to create Apple ID

How to create a new Apple ID - Apple Support