How To Fix FTBU393 - Conversion of function &1 to function &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FTBU - Conversion: Treasury partner CBP messages

• Message number: 393

• Message text: Conversion of function &1 to function &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FTBU393 - Conversion of function &1 to function &2 ?

  The SAP error message FTBU393, which states "Conversion of function &1 to function &2," typically occurs in the context of function module calls or when there is an attempt to convert data types or structures that are incompatible. This error can arise in various scenarios, such as when using function modules, BAPIs, or RFC calls where the expected input or output types do not match.
  Cause:
  
  Incompatible Data Types: The most common cause is that the data types or structures being passed to a function module do not match the expected types defined in the function module's interface.
  Changes in Function Module: If a function module has been modified (e.g., changes in parameters or their types), and the calling program has not been updated accordingly, this error can occur.
  Incorrect Mapping: When mapping between different function modules or when using RFCs, if the source and target function modules have different parameter types, this error may arise.
  
  Solution:
  
  Check Function Module Interface: Review the interface of the function module you are calling. Ensure that the parameters you are passing match the expected types and structures.
  Data Type Conversion: If necessary, perform explicit data type conversions in your ABAP code before calling the function module. Use appropriate conversion functions or methods to ensure compatibility.
  Update Calling Program: If the function module has been changed, update the calling program to align with the new interface. This may involve changing the data types or structures being passed.
  Debugging: Use the ABAP debugger to step through the code and identify where the mismatch occurs. This can help pinpoint the exact parameters causing the issue.
  Consult Documentation: Check the SAP documentation or release notes for any changes related to the function module that might affect its usage.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE37 (Function Builder) to view and edit function modules, and SE80 (Object Navigator) to explore related objects.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address known issues or provide additional guidance on this error.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the FTBU393 error and implement a suitable solution.