How To Fix INV320 - Import parameter &1 not filled

SAP Error Message - Details

• Message type: E = Error

• Message class: INV - Check for Bill Receipt

• Message number: 320

• Message text: Import parameter &1 not filled

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message INV320 - Import parameter &1 not filled ?

  The SAP error message INV320, which states "Import parameter &1 not filled," typically occurs when a function module or method is called, and one of the expected import parameters is not provided with a value. This can happen in various scenarios, such as when developing custom ABAP programs, using BAPIs, or calling function modules.
  Cause:
  
  Missing Parameter Value: The most common cause is that the calling program did not provide a value for the required import parameter.
  Incorrect Parameter Name: The parameter name specified in the call may not match the expected parameter name in the function module or method.
  Data Type Mismatch: There may be a mismatch in the data type of the parameter being passed.
  Conditional Logic: If the parameter is conditionally filled based on some logic, it might not be filled due to the conditions not being met.
  
  Solution:
  
  Check Function Module/Method Definition: Review the definition of the function module or method you are calling. Ensure that you understand which parameters are required and their expected data types.
  Provide Required Values: Ensure that you are passing values for all required import parameters when calling the function module or method.
  Debugging: Use the debugger to step through the code and check the values being passed to the function/module. This can help identify if the parameter is being filled correctly.
  Review Calling Code: Look at the code where the function module is called. Ensure that the parameter is being assigned a value before the call.
  Check for Conditional Logic: If the parameter is filled based on certain conditions, ensure that those conditions are being met in your code.
  
  Related Information:
  
  Function Module Documentation: Refer to the SAP documentation for the specific function module or method to understand the parameters and their requirements.
  ABAP Development Guidelines: Familiarize yourself with best practices in ABAP development to avoid common pitfalls related to parameter handling.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific function module or method you are using.
  
  By following these steps, you should be able to identify and resolve the issue causing the INV320 error message in your SAP environment.