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

AJ664 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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