Getting an error when booking an order

Hi Team,

When we trying to book the order we are getting the error "Cannot reserve a batch For a fixed conversion the secondary quantity cannot deviate" So we found that the issue is with the secondary quantity round off where the fifth decimal is getting an issue and we have change it in the reservation window and proceed which is a temporary one or workaround. So right now we require a permanent solution when there are multiple lines or order exists we need to change it every time which takes more time and resource so can you provide a solution for