Y is it that the transaction i made yesterday from my firstbank account as not drop on my Opay account?

Pls i need ur help,I made a transaction of #9000 from my firstbank account too my opay account today in the afternoon but up till now the money as not really on my Opay account but they have debited me on my firstbank account.
This is the prove of payment.Reference number-47973223031115