How To Fix AJ456 - Pressure drop for &1 key is zero

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 456

• Message text: Pressure drop for &1 key is zero

What causes this issue?

You entered zero as the drop in pressure for key <LS>KeyDrTempJTE</>
(key for calculating the Joule-Thomson effect by the ratio of drop in
pressure to drop in temperature).
This value is used for division to calculate the Joule-Thomson effect.

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

INCLUDE ISU_KORR OBJECT DOKU ID TX

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 AJ456 - Pressure drop for &1 key is zero ?

  The SAP error message AJ456, which states "Pressure drop for &1 key is zero," typically occurs in the context of process engineering or production planning, particularly when dealing with process flow or material flow in SAP systems. This error indicates that the system has detected a pressure drop value of zero for a specific key (usually a material or process key), which is not valid in the context of the calculations or processes being performed.
  Cause:
  
  Missing Data: The pressure drop data for the specified key may not have been entered or configured correctly in the system.
  Incorrect Configuration: The configuration settings for the material or process may be incorrect, leading to a calculation that results in a zero pressure drop.
  Data Inconsistency: There may be inconsistencies in the data related to the process or material, such as missing parameters or incorrect values.
  Calculation Errors: The formulas or algorithms used to calculate the pressure drop may not be set up correctly, leading to a zero result.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the material or process associated with the key in question. Ensure that all necessary parameters are correctly defined.
  Enter Missing Data: If the pressure drop data is missing, enter the required values in the relevant master data records (e.g., material master, process master).
  Validate Data: Ensure that all related data is consistent and complete. Check for any missing or incorrect entries that could affect the pressure drop calculation.
  Review Calculation Logic: If applicable, review the logic or formulas used to calculate the pressure drop. Ensure that they are set up correctly and that all necessary inputs are available.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error and its resolution in the context of your SAP module (e.g., PP, PM, or other relevant modules).
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes often provide specific solutions or workarounds.
  Transaction Codes: Use relevant transaction codes (e.g., MM02 for material master, CA01 for routing) to access and modify the necessary data.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.