Diagnosis
When schema &V2& is executed, values are updated from step &V3& to stepV4 using operand v1. operand v1 was already provided with aquantity from rate, rate category or installation facts. For technicalreasons, it is not possible to update to operands from the QUANTcategory if there are fact values in the target step.

System Response
INCLUDE ISU_VERARB OBJECT DOKU ID TX

Procedure
Correct the structure of the billing schema. No update can be carriedout to a QUANT operand that was already provided with values from thefacts. If necessary, insert an additional schema step for the update.

Example
You bill an installation for which the FACTQNTY operand is providedwith a value in the facts.
In the billing schema, the quantity QNTY x FACTOR is updated to theFACTQNTY operand by means of an adding update.
The total of FACTQNTY + QNTY x FACTOR is valuated with a price.
Impermissible structure of the billing schema:
No. Variant InpOp1 InpOp2 OutOp1
001 QUANTI09 QNTY FACTOR FACTQNTY
002 QUANTI01 FACTQNTY PRICE AMOUNT
Permissible structure of the billing schema:
No. Variant InpOp1 InpOp2 OutOp1
001 QUANTI09 QNTY FACTOR TOTQNTY
002 QUANTI14 FACTQNTY TOTQNTY
003 QUANTI01 TOTQNTY PRICE AMOUNT