Diagnosis
Internal error:
You have specified a device/register for which the gas law deviationfactor is to be determined for each pressure and temperature. Themeasured pressure could not be determined for the period you havespecified.

System Response
An error has occurred.

Procedure
Check whether a measured pressure is assigned to your device/register.
If not, complete the missing data and repeat this transaction.
If measured pressure data already exists, an internal error hasoccurred. In this case, contact SAP.