How To Fix O3291 - AGA8:Error code 1: Pressure has a negative derivative

O3291 - Overview

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 291

• Message text: AGA8:Error code 1: Pressure has a negative derivative

What causes this issue?

The AGA c-code cannot calculate a compression factor.

System Response

The QCI (Quantity Conversion Interface) stops processing.

How to fix this error?

Check the relevant parameters for the detailed method of the AGA c-code
routine.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O3291 - AGA8:Error code 1: Pressure has a negative derivative ?

  The SAP error message O3291 AGA8: Error code 1: "Pressure has a negative derivative" typically relates to issues in the calculation of gas flow or pressure in a gas measurement context, particularly when using the AGA8 gas flow calculation method. This error indicates that the pressure values being processed are not behaving as expected, specifically that the pressure is decreasing over time when it should be increasing or remaining stable.
  Causes:
  
  Data Input Issues: The input data for pressure measurements may be incorrect or inconsistent. This could be due to faulty sensors, incorrect calibration, or data entry errors.
  Measurement Errors: There may be physical issues with the measurement devices, such as blockages, leaks, or malfunctions that lead to erroneous pressure readings.
  Calculation Errors: The algorithm used for calculating gas flow may be encountering unexpected values or conditions that lead to negative derivatives in pressure.
  System Configuration: Incorrect configuration settings in the SAP system or the