Diagnosis
You have used a price key in fact maintenance that is not permitted.

System response<(><)>
The system has identified a price key that is not permitted.
Possible errors:

• The fact time slice and the price time slice do not match.


• The billing class of the rate, the rate category or the installation
does not match the billing class of the price.

• The unit of measurement for the operand in the facts does not match the
unit of measurement for the price.

Procedure
Choose an appropriate price key using F4 (possible entries key) in theprice field.