How To Fix PFO1057 - RFC: Transferred import format &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: PFO1 - Messages for Portfolio Assignment

• Message number: 057

• Message text: RFC: Transferred import format &1 is invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PFO1057 - RFC: Transferred import format &1 is invalid ?

  The SAP error message PFO1057, which states "RFC: Transferred import format &1 is invalid," typically occurs in the context of Remote Function Calls (RFC) when the system receives an import format that it does not recognize or that is not valid for the expected operation. This can happen in various scenarios, such as when using RFC-enabled function modules or when integrating with external systems.
  Causes:
  
  Incorrect Format Specification: The import format specified in the RFC call does not match any of the expected formats defined in the target function module.
  Version Mismatch: There may be a version mismatch between the calling and called systems, leading to incompatibility in the expected data structures.
  Data Type Issues: The data types of the parameters being passed do not match the expected data types in the target function module.
  Configuration Issues: There may be configuration issues in the RFC destination or the function module itself.
  Changes in Function Module: If the function module has been changed (e.g., parameters added or removed) and the calling program has not been updated accordingly, this error can occur.
  
  Solutions:
  
  Check Import Format: Verify the import format being used in the RFC call. Ensure that it matches the expected format defined in the target function module.
  Review Function Module: Check the definition of the function module being called. Ensure that the parameters and their data types are correctly defined and that the calling program is passing the correct values.
  Update Calling Program: If there have been changes to the function module, update the calling program to ensure it aligns with the new definition.
  Test RFC Connection: Use transaction SM59 to test the RFC connection and ensure that it is configured correctly.
  Check for Version Compatibility: Ensure that both the calling and called systems are compatible in terms of SAP version and function module definitions.
  Debugging: If possible, use debugging tools to trace the RFC call and identify where the mismatch occurs.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: To manage and test RFC destinations.
  SE37: To view and modify function modules.
  SE80: To explore the repository and check for related objects.
  
  
  
  Documentation: Refer to SAP Help documentation for the specific function module being called to understand its parameters and expected formats.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to this error message.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.