How To Fix S&552 - BAPI &1: Parameter &2 has different reference structure than in FM &3

SAP Error Message - Details

• Message type: E = Error

• Message class: S& -

• Message number: 552

• Message text: BAPI &1: Parameter &2 has different reference structure than in FM &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S&552 - BAPI &1: Parameter &2 has different reference structure than in FM &3 ?

  The SAP error message S&552 indicates that there is a mismatch in the structure of a parameter being passed to a BAPI (Business Application Programming Interface) compared to what is defined in the function module (FM) that the BAPI is calling. This typically occurs when the data structure of the parameter does not match the expected structure defined in the function module.
  Cause:
  
  
  Mismatched Data Structures: The parameter being passed to the BAPI has a different structure than what the function module expects. This can happen if:
  
  The data type or length of fields in the structure is different.
  The fields in the structure are in a different order.
  Additional fields are present in the structure that are not defined in the function module.
  
  
  
  Versioning Issues: If the BAPI or function module has been updated, the calling program may still be using an older version of the structure.
  
  
  Custom Modifications: If there are custom enhancements or modifications in the system, they may have altered the expected structure.
  
  
  Solution:
  
  
  Check Parameter Definitions: Review the parameter definitions in both the BAPI and the function module. Ensure that the structure of the parameter being passed matches exactly with what is defined in the function module.
  
  
  Update Structures: If you are using a custom structure, ensure that it is updated to match the expected structure. You may need to adjust field types, lengths, or the order of fields.
  
  
  Use Correct Data Types: Ensure that the data types of the fields in the structure are compatible with what the function module expects.
  
  
  Check for Updates: If the BAPI or function module has been updated, ensure that your code is using the latest version of the structure. You may need to regenerate or re-import the structure if it has changed.
  
  
  Debugging: Use the debugger to trace the values being passed to the BAPI. This can help identify where the mismatch is occurring.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific BAPI and function module to understand the expected parameter structures.
  
  
  Related Information:
  
  BAPI Documentation: SAP provides documentation for each BAPI, which includes details about the expected input and output parameters.
  Function Module Documentation: Similar to BAPIs, function modules have documentation that outlines the expected structures and parameters.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific BAPI or function module you are using.
  Transaction Codes: Use transaction codes like SE37 (Function Builder) to view and analyze the function module and its parameters.
  
  By following these steps, you should be able to resolve the S&552 error and ensure that the parameters being passed to the BAPI are correctly structured.