I have paid Developer plan, but I can't create the fourth eth2 account

I have bought the developer plan, but when I create the fourth eth2 account, it says I can’t create it
My account is zlf469131267@gmail.com.

Hi @Barry and welcome to the Infra community!

Let me double-check with the team on that and I will follow up with you after.

Hi @Barry, please submit a support ticket here: support@infura.io to resolve the above request.