When I create Apple ID mobile said too many Apple IDs was created on this mobile

Hi,

Thanks for asking This message generally "means that you have exceeded the number of new Apple IDs you can set up with iCloud on a single device in one year." See the recommendation in the link on alternative methods for setting up iCloud accounts, e.g. on a computer.

https://support.apple.com/HT210743

[Edited by Moderator]