How To Fix VK409 - Target and source field must match if tables are identical.

SAP Error Message - Details

• Message type: E = Error

• Message class: VK - Pflege und Bearbeitung von Konditionen

• Message number: 409

• Message text: Target and source field must match if tables are identical.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VK409 - Target and source field must match if tables are identical. ?

  The SAP error message VK409 ("Target and source field must match if tables are identical") typically occurs in the context of data transfer or mapping between two tables in SAP, particularly when using transaction codes related to pricing or condition records, such as VK11, VK12, or VK13.
  Cause:
  This error arises when you are trying to copy or transfer data from one condition table to another, and the fields in the source and target tables do not match in terms of data types, lengths, or structure. The system expects that if the tables are identical, the fields being mapped should also be identical.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Table Structure: Verify that the source and target tables are indeed identical in terms of structure. You can do this by checking the data dictionary (transaction SE11) for both tables to ensure that the fields match in terms of data type, length, and attributes.
  
  
  Field Mapping: If you are using a custom program or a data transfer tool, ensure that the field mapping is correctly defined. Each field in the source table should correspond to a field in the target table.
  
  
  Data Consistency: Ensure that the data being transferred does not violate any constraints or rules defined in the target table. For example, if the target table has mandatory fields, ensure that these fields are populated in the source data.
  
  
  Use Correct Transaction: Make sure you are using the correct transaction for the operation you are trying to perform. If you are trying to create or change condition records, ensure you are using the appropriate transaction code.
  
  
  Consult Documentation: If you are unsure about the structure of the tables or the fields, consult the SAP documentation or help resources for guidance on the specific tables you are working with.
  
  
  Debugging: If you have access to debugging tools, you can debug the process to see where the mismatch is occurring. This can provide insights into which specific fields are causing the issue.
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to pricing and condition records include VK11 (Create Condition), VK12 (Change Condition), and VK13 (Display Condition).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, there may be specific fixes or recommendations provided by SAP.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify the cause of the VK409 error and implement a solution to resolve it.