Diagnosis
Internal error:
You have specified a device/register for which the gas law deviationfactor is to be determined per device. The set gas law deviation factorcould not be determined for the period you have specified.

System Response
An error has occurred.

Procedure
Check whether the set gas law deviation factor is maintained for yourdevice/register.
If not, complete the missing data and repeat this transaction.
If the data already exists, an internal error has occurred. In thiscase, contact SAP.