How To Fix CVP_QM021 - Only structure type is allowed for input &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: CVP_QM - QM Message Class for DPP relevant

• Message number: 021

• Message text: Only structure type is allowed for input &1.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CVP_QM021 - Only structure type is allowed for input &1. ?

  The SAP error message CVP_QM021 indicates that there is an issue with the input data structure in a Quality Management (QM) context. Specifically, the message states that "Only structure type is allowed for input &1," which means that the system expects a specific data structure type for the input parameter, but it has received something else.
  Cause:
  
  Incorrect Data Type: The input parameter provided to a function module, method, or report is not of the expected structure type. This can happen if a table or a different data type is passed instead of the required structure.
  Programming Error: There may be a mistake in the ABAP code where the wrong variable type is being used or where the data is not being properly defined or initialized.
  Configuration Issues: Sometimes, configuration settings in the system may lead to unexpected behavior, causing the wrong data type to be processed.
  
  Solution:
  
  Check Input Parameters: Review the code or configuration where the error occurs. Ensure that the input parameter being passed is of the correct structure type as expected by the function or method.
  Data Type Declaration: If you are developing or modifying ABAP code, ensure that the variable being passed is declared as the correct structure type. Use the appropriate data dictionary structure.
  Debugging: Use the ABAP debugger to trace the execution and inspect the values and types of the variables being passed. This can help identify where the incorrect data type is being introduced.
  Consult Documentation: Refer to the SAP documentation for the specific function module or method to understand the expected input parameters and their types.
  Testing: After making changes, test the functionality to ensure that the error is resolved and that the system behaves as expected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, SAP releases notes that provide solutions or workarounds for specific error messages.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  Quality Management Module: Familiarize yourself with the Quality Management module in SAP, as understanding its data structures and processes can help in troubleshooting related issues.
  
  By following these steps, you should be able to identify the cause of the CVP_QM021 error and implement a solution to resolve it.