How To Fix S&546 - BAPI &1: RETURN parameter of FM must be of type EXPORT or TABLE

SAP Error Message - Details

• Message type: E = Error

• Message class: S& -

• Message number: 546

• Message text: BAPI &1: RETURN parameter of FM must be of type EXPORT or TABLE

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S&546 - BAPI &1: RETURN parameter of FM must be of type EXPORT or TABLE ?

  The SAP error message S&546 with the description "BAPI &1: RETURN parameter of FM must be of type EXPORT or TABLE" typically occurs when there is an issue with the definition of a BAPI (Business Application Programming Interface) function module. This error indicates that the RETURN parameter of the function module is not defined correctly according to the BAPI standards.
  Cause:
  
  Incorrect Parameter Type: The RETURN parameter in the BAPI function module is expected to be of type EXPORT or TABLE. If it is defined as a different type (like IMPORT), this error will occur.
  Function Module Definition: The function module may not be defined as a BAPI correctly, or it may not adhere to the BAPI interface standards.
  Missing RETURN Parameter: If the RETURN parameter is missing entirely, this error can also be triggered.
  
  Solution:
  
  
  Check Function Module Definition:
  
  Go to transaction SE37 (Function Module) and enter the name of the BAPI function module.
  Check the parameters of the function module. Ensure that the RETURN parameter is defined as an EXPORT parameter or as a TABLE parameter.
  If it is defined incorrectly, you will need to modify the function module to correct the parameter type.
  
  
  
  Add RETURN Parameter:
  
  If the RETURN parameter is missing, you need to add it. The RETURN parameter should be defined as follows:
  
  Name: RETURN
  Type: Structure (usually of type BAPIRET2 or similar)
  Direction: EXPORT or TABLE
  
  
  
  
  
  Activate the Function Module: After making changes, ensure that you activate the function module to apply the changes.
  
  
  Testing: After making the necessary changes, test the BAPI again to ensure that the error is resolved.
  
  
  Related Information:
  
  BAPIRET2 Structure: The RETURN parameter typically uses the BAPIRET2 structure, which contains fields for return messages, such as type (success, error, warning), message number, and message text.
  BAPI Standards: Familiarize yourself with SAP's BAPI standards and guidelines to ensure that your function modules comply with the expected structure and behavior.
  Documentation: Refer to SAP documentation or the SAP Help Portal for more information on BAPIs and their implementation.
  
  By following these steps, you should be able to resolve the error message S&546 and ensure that your BAPI function module is correctly defined.