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

GLE_ECS_MSG_S004 - Overview

• 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