3815496 - Error in logs: "Quoted price in R&B page: xxx.xx is not equal to balance due: xxx.xx - Unable to add Payment details in OrderCreate Rq" when booking a flight

I am trying to book a flight, but the booking fails with error "ar-40212".

The following error message is displayed:

This article explains why a flight booking fails with error "ar-40212" when the fare changes before payment details can be processed and the quoted price no longer matches the final balance due. , KBA , CON-SRV-TRV-ADM-LAN , View Airlines , CON-CA , Cross Applications , Problem