How To Fix B0393 - Conversion of function &1 to function &2

SAP Error Message - Details

• Message type: E = Error

• Message class: B0 - Business Partner General

• 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 B0393 - Conversion of function &1 to function &2 ?

  The SAP error message B0393, which states "Conversion of function &1 to function &2," typically occurs during the execution of a program or transaction when there is an issue with the conversion of data types or function modules. This error can arise in various contexts, such as when calling function modules or when there is a mismatch in expected data types.
  Cause:
  
  
  Data Type Mismatch: The most common cause of this error is a mismatch between the expected data type of a function module and the actual data type being passed to it. For example, if a function module expects a certain type of input (like a string) but receives a different type (like an integer), this error can occur.
  
  
  Incorrect Function Module Call: If the function module being called is not compatible with the data being passed, it can lead to this error. This can happen if the function module has been changed or if the wrong function module is being called.
  
  
  Parameter Issues: If the parameters defined in the function module do not match the parameters being passed, this can also trigger the error.
  
  
  Solution:
  
  
  Check Function Module Definition: Review the definition of the function module being called. Ensure that the parameters being passed match the expected data types and structures.
  
  
  Data Type Conversion: If there is a data type mismatch, you may need to explicitly convert the data to the expected type before passing it to the function module. Use appropriate conversion functions (like CONCATENATE, CONVERT_TO_STRING, etc.) to ensure compatibility.
  
  
  Debugging: Use the SAP debugger to step through the code and identify where the error occurs. This can help you pinpoint the exact function call and the parameters being passed.
  
  
  Check for Changes: If the function module has been modified recently, check the change logs to see if any changes could have affected the parameters or data types.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific function module to understand its expected input and output parameters.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE37 (Function Builder) to view and edit function modules.
  ABAP Development: If you are an ABAP developer, ensure that you are familiar with data types and structures in ABAP programming.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or error message.
  
  By following these steps, you should be able to identify the cause of the B0393 error and implement a solution to resolve it.