Post by YangBin in My Paypal account has been upgraded to a business user and has been verified, but some buyers report that he still cannot complete the payment. What is going on?

Viewing post in My Paypal account has been upgraded to a business user and has been verified, but some buyers report that he still cannot complete the payment. What is going on?

My Email account and paypal account have been both switched to like the following Screenshot yesterday, but it doesn't work yet.