How To Fix AJ664 - Error in user exit 'EXIT_SAPLEABR_001'

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 664

• Message text: Error in user exit 'EXIT_SAPLEABR_001'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AJ664 - Error in user exit 'EXIT_SAPLEABR_001' ?

  The SAP error message AJ664, which indicates "Error in user exit 'EXIT_SAPLEABR_001'," typically occurs in the context of the SAP system when there is an issue with a user exit that is being called during the execution of a program or transaction. User exits are custom enhancements that allow developers to add their own functionality to standard SAP programs without modifying the original code.
  Cause:
  
  Coding Errors: The most common cause of this error is a coding issue within the user exit itself. This could be due to syntax errors, logic errors, or unhandled exceptions in the ABAP code.
  Data Issues: If the data being processed by the user exit is not in the expected format or is missing required fields, it can lead to errors.
  Configuration Issues: Sometimes, the configuration settings related to the user exit may not be set up correctly, leading to unexpected behavior.
  Version Compatibility: If the user exit was developed for a different version of SAP or if there have been changes in the underlying data structures, it may cause issues.
  
  Solution:
  
  Debugging: Use the ABAP debugger to step through the code in the user exit to identify where the error is occurring. Look for any runtime errors or exceptions that are being raised.
  Check Code: Review the code in the user exit EXIT_SAPLEABR_001 for any syntax or logical errors. Ensure that all variables are properly declared and initialized.
  Data Validation: Ensure that the data being passed to the user exit is valid and meets the expected criteria. You may need to add additional checks or validations in the code.
  Consult Documentation: Check the SAP documentation or notes related to the specific user exit for any known issues or recommendations.
  Testing: After making changes, thoroughly test the user exit in a development or quality assurance environment before moving it to production.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on how to resolve it.
  
  Related Information:
  
  User Exits: User exits are part of the enhancement framework in SAP, allowing for custom code to be executed at specific points in standard SAP programs.
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to find and edit the user exit code.
  Error Logs: Check the system logs (transaction SLG1) for additional error messages or details that may provide more context about the issue.
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after following these steps, it may be necessary to involve a developer with experience in ABAP and user exits or to contact SAP support for further assistance.