How To Fix AJ435 - Choose GasPr.det. to take J-T effect into account

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 435

• Message text: Choose GasPr.det. to take J-T effect into account

What causes this issue?

If you want to take the Joule-Thomson effect into account, select the
<LS>GasPresDeterm</> field, since the input pressure is determined from
the information in the <DS:DE.GAS_PRS_AR>gas pressure area</>.
The pressure difference between the input pressure and pressure at the
register is required to correct the gas temperature.
The pressure at the register can only be entered directly in the
register in this case. It cannot be determined through the gas pressure
area, because it is already used to store the input pressure.

System Response

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

How to fix this error?

INCLUDE ISU_KORR OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ435 - Choose GasPr.det. to take J-T effect into account ?

  The SAP error message AJ435 "Choose GasPr.det. to take J-T effect into account" typically occurs in the context of gas processing or thermodynamic calculations within SAP's Oil & Gas or Chemical Management modules. This error indicates that the system requires a specific gas property determination method to account for the Joule-Thomson (J-T) effect, which is important for accurate calculations of gas behavior under varying pressure and temperature conditions.
  Cause:
  
  Missing Configuration: The system may not have a gas property determination method configured that accounts for the J-T effect.
  Incorrect Settings: The settings in the gas property determination may not be correctly set to include the J-T effect.
  Data Inconsistency: There may be inconsistencies or missing data in the gas properties that are required for the calculations.
  
  Solution:
  
  
  Select Gas Property Determination Method:
  
  Navigate to the relevant configuration or transaction where gas properties are defined.
  Ensure that a gas property determination method that accounts for the J-T effect is selected. This may involve choosing a specific calculation method or model that includes the J-T effect.
  
  
  
  Check Configuration Settings:
  
  Go to the configuration settings for gas properties in SAP.
  Verify that the settings are correctly configured to include the J-T effect in calculations.
  
  
  
  Review Data Entries:
  
  Check the data entries related to the gas properties to ensure that all necessary information is provided and is accurate.
  Update any missing or incorrect data that may be causing the error.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources specific to the Oil & Gas or Chemical Management modules for detailed guidance on configuring gas properties and addressing the J-T effect.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above steps, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in the relevant module.
  
  
  
  Related Information:
  
  Joule-Thomson Effect: This is a thermodynamic phenomenon where a gas cools or heats when it is allowed to expand freely. Understanding this effect is crucial for accurate modeling of gas behavior in various processes.
  Gas Property Determination: This involves calculating various properties of gases (like density, viscosity, etc.) based on temperature and pressure, which is essential for process engineering in the oil and gas industry.
  SAP Modules: Familiarity with the specific SAP modules (like SAP PM, SAP PP, or SAP Oil & Gas) that deal with gas processing can be beneficial for troubleshooting.
  
  By following these steps, you should be able to resolve the error message AJ435 and ensure that the J-T effect is properly accounted for in your gas property calculations.