How To Fix AH783 - Error in user exit EXIT_SAPLEA00_001

AH783 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 783

• Message text: Error in user exit EXIT_SAPLEA00_001

What causes this issue?

An error occurred when user-defined proration dates were added in
function module EXIT_SAPLEA00_001.

System Response

Billing is terminated since the external dates cannot be processed.

How to fix this error?

Check your user-defined program in the function module.

Error message extract from SAP system. Copyright SAP SE.

AH783 - Details

• The SAP error message AH783, which refers to "Error in user exit EXIT_SAPLEA00_001," typically occurs in the context of the SAP Logistics Execution (LE) module, particularly during the processing of delivery documents. This error is related to a user exit that allows for custom enhancements in the standard SAP processes.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Custom Code Issues: There may be a problem in the custom code implemented in the user exit EXIT_SAPLEA00_001. This could be due to syntax errors, logic errors, or unhandled exceptions in the code.
  Data Issues: The data being processed may not meet the expected criteria, leading to failures in the user exit logic.
  
  Configuration Issues: Incorrect configuration settings in the SAP system can also lead to this error, especially if the user exit is dependent on certain configuration parameters.
  
  
  Solution:
  To resolve the AH783 error, you can follow these steps:
  
  
  Check Custom Code:
  
  Review the implementation of