Missing CompleteRegistration currency and value parameters

Site URL: https://www.jupiter10.com

Hi there,

My FB pixel was installed a few months ago and it's tracking perfectly fine. 

However, I was taking a look on it today and found out an error "Missing CompleteRegistration currency and value parameters" 

It says that one or more of my CompleteRegistration events is missing a value & currency parameter and this may affect my return on ad spend calculation.

Below are attached the error notification and affected urls 

How can I resolve this? 

Many thanks in advance 

Did you find a soultion to this? I have the same issue as it's affecting my data for FB ads

Hello, same exact issue. Any solution?

Cheers

Any answers on this? or anyone found a solution elsewhere's.