How To Fix GLE_ECS_MSG_S004 - First-level check: Custom check failed (function module '&1')

SAP Error Message - Details

• Message type: E = Error

• Message class: GLE_ECS_MSG_S - Predefined Messages in Error Correction System

• Message number: 004

• Message text: First-level check: Custom check failed (function module '&1')

What causes this issue?

For the first-level check in the direct input process, you entered
function module &V1& in Customizing for the error correction system. The
system called this module to check the document and detected an error.

System Response

The system cannot post the document.

How to fix this error?

Call the <DS:TRAN.ACC_ECS_MAINTAIN>Edit ECS Items</> transaction and
process the document.

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 GLE_ECS_MSG_S004 - First-level check: Custom check failed (function module '&1') ?

  The SAP error message GLE_ECS_MSG_S004 indicates that a first-level check has failed during the execution of a custom function module. This error typically arises in the context of the SAP General Ledger (GL) or during the execution of certain financial transactions.
  Cause:
  
  
  Custom Function Module Issues: The error suggests that a custom function module (indicated by &1 in the message) has failed a validation or check. This could be due to:
  
  Incorrect logic or coding in the custom function module.
  Missing or incorrect input parameters being passed to the function module.
  Dependencies or conditions that are not met within the function module.
  
  
  
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the expectations of the custom function module.
  
  
  Data Issues: The data being processed may not meet the required criteria, leading to the failure of the checks implemented in the function module.
  
  
  Solution:
  
  
  Debugging the Function Module:
  
  Use transaction SE37 to access the function module mentioned in the error message.
  Set breakpoints and debug the function module to identify where the check is failing.
  Review the logic and ensure that all necessary conditions and parameters are being handled correctly.
  
  
  
  Check Input Parameters:
  
  Verify that the input parameters being passed to the function module are correct and complete.
  Ensure that any required data is available and valid.
  
  
  
  Review Custom Code:
  
  If the function module is custom-developed, review the code for any logical errors or unhandled exceptions.
  Consult with the developer who created the function module for insights into its expected behavior.
  
  
  
  Configuration Review:
  
  Check the relevant configuration settings in the SAP system that may affect the execution of the function module.
  Ensure that all necessary configurations are in place and correctly set up.
  
  
  
  Consult Documentation:
  
  If available, refer to any documentation related to the custom function module for additional context on its expected behavior and requirements.
  
  
  
  Testing:
  
  After making any changes, conduct thorough testing to ensure that the issue is resolved and that the function module behaves as expected.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator) for reviewing custom developments, and SE11 (Data Dictionary) for checking data structures.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after following these steps, it may be beneficial to escalate the matter to SAP support or consult with an experienced SAP consultant who specializes in the relevant module.