How To Fix O5122 - Error occurred when customer function & was called off.

SAP Error Message - Details

• Message type: E = Error

• Message class: O5 - IS-Oil: MCOE message pool

• Message number: 122

• Message text: Error occurred when customer function & was called off.

What causes this issue?

The external details screen has been processed. During processing and
before output, the system performs
customer function 001. This customer function results in an error.

System Response

The transaction is ended.

How to fix this error?

Make a note of what you did immediately before this error and contact
the SAP hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O5122 - Error occurred when customer function & was called off. ?

  The SAP error message O5122, which states "Error occurred when customer function & was called off," typically indicates that there is an issue with a custom function module or enhancement that has been implemented in the SAP system. This error can occur in various contexts, such as during the execution of a transaction, report, or batch job where the custom function is invoked.
  Causes:
  
  Coding Errors: There may be bugs or exceptions in the custom function code that prevent it from executing properly.
  Missing or Incorrect Parameters: The function might be called with incorrect or missing parameters, leading to runtime errors.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the custom function.
  Data Issues: The data being processed by the function may not meet the expected format or constraints, causing the function to fail.
  Transport Issues: If the function was recently transported from a development environment to production, there may be inconsistencies or missing dependencies.
  
  Solutions:
  
  Debugging: Use the SAP debugger to step through the code of the custom function to identify where the error occurs. Look for any unhandled exceptions or logical errors.
  Check Parameters: Verify that the parameters being passed to the function are correct and complete. Ensure that all required fields are populated.
  Review Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to execute the function.
  Data Validation: Validate the input data to ensure it meets the expected criteria. This may involve checking for null values, data types, or other constraints.
  Transport Review: If the function was recently transported, review the transport logs for any errors or warnings. Ensure that all dependencies are also transported.
  Consult Documentation: If available, refer to any documentation related to the custom function for additional context on its expected behavior and requirements.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to locate and analyze the custom function.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to the error message.
  Custom Development Guidelines: Ensure that the custom development follows best practices and guidelines to minimize the risk of errors.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve a developer or SAP consultant who can provide deeper insights into the custom code and its integration within the SAP environment.