Diagnosis
The process instruction is of type "process data calculationformula".
When defining the value to be calculated in a process data calculationformula, you must assign the following characteristics in the sequencelisted below:
Characteristic,,,,,,Meaning
PPPI_INPUT_REQUEST,,,,,,Text displayed in the PI sheet
,,,,,,in front of the formula result
PPPI_CALCULATED_VALUE,,,,,,Message characteristic
,,,,,,to be calculated
PPPI_CALCULATION_FORMULA,,,,,,Calculation formula
However, neither a text nor a value to be calculated have been definedbefore characteristic &V1& &V2&.

Procedure
RESET N1
Assign the missing characteristics to the process instruction beforecharacteristic &V1& &V2&.
Assign a value to the characteristics.