How To Fix CPF056 - Data source routine &1: Parameter &2 without an assigned data type.

SAP Error Message - Details

• Message type: E = Error

• Message class: CPF -

• Message number: 056

• Message text: Data source routine &1: Parameter &2 without an assigned data type.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CPF056 - Data source routine &1: Parameter &2 without an assigned data type. ?

  The SAP error message CPF056 indicates that there is an issue with a data source routine where a parameter is being referenced without an assigned data type. This typically occurs in the context of ABAP programming or when working with data extraction processes in SAP BW (Business Warehouse).
  Cause:
  
  Missing Data Type Assignment: The parameter in the data source routine is not assigned a data type, which is necessary for the system to understand how to handle the data.
  Incorrect Routine Definition: The routine may have been defined incorrectly, leading to parameters being declared without proper data types.
  Changes in Data Source: If there have been recent changes to the data source or the data model, it may have resulted in parameters being left without data types.
  
  Solution:
  
  Check Routine Definition: Go to the data source routine in the ABAP editor (transaction SE80 or SE38) and verify that all parameters are correctly defined with appropriate data types.
  Assign Data Types: If you find any parameters without assigned data types, assign the correct data type to them. This can usually be done by modifying the routine code.
  Review Data Source Configuration: Ensure that the data source configuration in the BW system is correct and that all necessary fields and parameters are properly defined.
  Test the Routine: After making changes, test the routine to ensure that it works as expected and that the error message no longer appears.
  Consult Documentation: If you are unsure about the correct data types to use, refer to SAP documentation or consult with a colleague who has experience with the specific data source.
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) or SE38 (ABAP Editor) to access and modify the routines.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific data source or routine you are working with.
  Debugging: If the issue persists, consider using the debugger to step through the routine and identify where the parameter is being referenced without a data type.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the CPF056 error and ensure that your data source routine functions correctly.