How To Fix B1045 - Application function module & terminated with invalid exception.

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 045

• Message text: Application function module & terminated with invalid exception.

What causes this issue?

The application function module &v1& for the inbound IDoc reported an
invalid exception.

How to fix this error?

Please get in touch with your SAP consultant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1045 - Application function module & terminated with invalid exception. ?

  The SAP error message B1045, which states that an application function module has terminated with an invalid exception, typically indicates that there is an issue with the execution of a function module in the SAP system. This can occur for various reasons, including programming errors, data inconsistencies, or issues with the configuration of the function module.
  Causes:
  
  Programming Errors: There may be a bug in the ABAP code of the function module that is causing it to terminate unexpectedly.
  Data Issues: The input data being passed to the function module may be invalid or not in the expected format, leading to exceptions.
  Configuration Problems: The function module may not be properly configured, or there may be missing dependencies.
  Authorization Issues: The user executing the function may not have the necessary authorizations to perform the action.
  System Environment: Issues with the SAP system environment, such as memory shortages or database connectivity problems, can also lead to this error.
  
  Solutions:
  
  Check the ABAP Code: Review the code of the function module for any logical errors or unhandled exceptions. Debugging the function module can help identify the exact point of failure.
  Validate Input Data: Ensure that the data being passed to the function module is valid and meets the expected criteria. You can use transaction codes like SE37 to test the function module with different inputs.
  Review Configuration: Check the configuration settings related to the function module to ensure everything is set up correctly.
  Check Authorizations: Verify that the user has the necessary authorizations to execute the function module. You can use transaction SU53 to analyze authorization issues.
  System Logs: Check the system logs (transaction SM21) and short dump analysis (transaction ST22) for more detailed error messages that can provide insights into the cause of the termination.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error details and any relevant logs.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Module Maintenance
  ST22: Dump Analysis
  SM21: System Log
  SU53: Authorization Check
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues related to the specific function module.
  Documentation: Review the documentation for the function module to understand its expected behavior and requirements.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the B1045 error message in SAP.