How To Fix JIT00634 - Error in customer exit EXIT_SAPLJIT14_001

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message JIT00634 - Error in customer exit EXIT_SAPLJIT14_001 ?

  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 step through the code in the customer exit EXIT_SAPLJIT14_001. Look for any logical errors or unhandled exceptions that could be causing the issue.
  Check Data: Verify the data being processed when the error occurs. Ensure that all required fields are populated and that the data is in the expected format.
  Review Custom Code: If there are modifications in the exit, review the custom code for any potential issues. Ensure that it adheres to best practices and does not introduce errors.
  Consult Documentation: Check SAP notes and documentation related to the JIT process and the specific exit. There may be known issues or patches available.
  Testing: After making changes, thoroughly test the JIT process to ensure that the error is resolved and that no new issues have been introduced.
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including any relevant logs and the context in which it occurs.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on the customer exit.
  Documentation: Review the SAP documentation for JIT processes and customer exits to understand their intended functionality and any prerequisites.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the JIT00634 error and implement an appropriate solution.