Diagnosis
The total quantity to be confirmed is smaller than the total confirmedquantity to date.

System Response
The total quantity to be confirmed must be entered for the progressconfirmation, that is, the sum of the previously confirmed quantity andthe current quantity to be confirmed.
To calculate the work for this confirmation the current quantity to beconfirmed is entered as for the wage slip confirmation, that is thedifference between the total quantity entered and the quantityconfirmed to date.

Procedure
You should enter the total quantity to be confirmed.