"betalingsreferentienummer"

I forgot to write the "betalingsreferentienummer"on my payment. what to do now?

Hello Denijs,
I'm sorry, I just understand that you have purchased AVG subscription and forgot to write invoice reference number, am I correct? We look forward for your reply.
Best regards,
Alok.

Hello Denijs,
I'm sorry, I just understand that you have purchased AVG subscription and forgot to write invoice reference number, am I correct? We look forward for your reply.
Best regards,
Alok.