Message type: E = Error
Message class: AJ - Billing program
Message number: 664
Message text: Error in user exit 'EXIT_SAPLEABR_001'
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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
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