How To Fix JIT00634 - Error in customer exit EXIT_SAPLJIT14_001

JIT00634 - Overview

• Message type: E = Error

• Message class: JIT00 - JIT: Messages for JIT Process

• Message number: 634

• Message text: Error in customer exit EXIT_SAPLJIT14_001

What causes this issue?

An error occurred in the customer exit <AB>EXIT_SAPLJIT14_001</> in
IDoc processing. You have probably changed both the table
<AB>JITDIAHD_LT</> as well as the structure <AB>JITDIAHD_LS</>. This is
an inconsistent change.

System Response

The IDoc processing was terminated.

How to fix this error?

Change the coding in the customer exit.

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.

JIT00634 - Details

• The SAP error message JIT00634, which is associated with the customer exit EXIT_SAPLJIT14_001, typically occurs in the context of Just-In-Time (JIT) delivery processes. This error can arise due to various reasons, often related to the implementation of the customer exit or the data being processed.
  
  Cause:
  
  Custom Code Issues: The customer exit EXIT_SAPLJIT14_001 may contain custom code that is not functioning correctly. This could be due to logical errors, incorrect assumptions about data, or unhandled exceptions.
  Data Issues: The data being processed may not meet the expected criteria, leading to failures in the custom logic. This could include missing or incorrect data in the relevant fields.
  
  Configuration Issues: There may be configuration settings in the JIT process that are not set up correctly, leading to inconsistencies during processing.
  Incompatibility: The exit may not be compatible with the current version of SAP or the specific configuration of the system.
  
  
  Solution:
  
  Debugging the Exit: Use the ABAP debugger to