How To Fix MPN12000 - Error in interface parameter I_Vorgang on calling the function module

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN12 - Message Class: Exchange in Quotation

• Message number: 000

• Message text: Error in interface parameter I_Vorgang on calling the function module

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPN12000 - Error in interface parameter I_Vorgang on calling the function module ?

  The SAP error message MPN12000, which indicates "Error in interface parameter I_Vorgang on calling the function module," typically arises when there is an issue with the parameters being passed to a function module in SAP. This error can occur in various contexts, often related to the processing of materials, production orders, or other logistics-related functions.
  Causes:
  
  Incorrect Data Type: The data type of the parameter I_Vorgang may not match the expected type defined in the function module.
  Missing Required Fields: Required fields within the structure of I_Vorgang may not be populated, leading to the error.
  Invalid Values: The values being passed to I_Vorgang may be invalid or not conforming to the expected range or format.
  Function Module Not Active: The function module being called may not be active or may have been deactivated in the system.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  
  Solutions:
  
  Check Parameter Definition: Review the definition of the function module to ensure that the data type and structure of I_Vorgang are correct.
  Validate Input Data: Ensure that all required fields in I_Vorgang are populated with valid data before calling the function module.
  Debugging: Use the debugger to step through the code and inspect the values being passed to I_Vorgang to identify any discrepancies.
  Check Function Module Status: Verify that the function module is active and has not been modified or deactivated.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function module.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE37 (Function Module) to view and analyze the function module in question.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or error message.
  Documentation: Review the documentation for the function module to understand the expected input and output parameters.
  Community Forums: Consider searching or posting on SAP community forums for additional insights from other users who may have encountered the same issue.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.