How To Fix CFD_RUNTIME057 - Target and its control structure are identical ( data transfer &1 )

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_RUNTIME - Custom Fields: Runtime Data

• Message number: 057

• Message text: Target and its control structure are identical ( data transfer &1 )

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_RUNTIME057 - Target and its control structure are identical ( data transfer &1 ) ?

  The SAP error message CFD_RUNTIME057, which states "Target and its control structure are identical (data transfer &1)," typically occurs during data transfer processes in SAP, particularly when using the SAP Data Transfer Workbench or similar tools. This error indicates that the target structure (the structure where data is being transferred to) is the same as the control structure (the structure that defines how the data should be processed), which can lead to conflicts or confusion in the data transfer process.
  Cause:
  
  Identical Structures: The most common cause of this error is that the target structure and the control structure are defined to be the same. This can happen if the data model is not set up correctly or if there is a misconfiguration in the data transfer settings.
  Incorrect Mapping: The mapping between the source and target structures may not be set up correctly, leading to the system interpreting them as identical.
  Data Transfer Configuration: The configuration settings for the data transfer process may not be properly defined, causing the system to misinterpret the structures involved.
  
  Solution:
  
  Check Structure Definitions: Review the definitions of both the target and control structures. Ensure that they are distinct and serve different purposes in the data transfer process.
  Adjust Mapping: If the structures are indeed supposed to be different, adjust the mapping configuration to ensure that the target structure is correctly defined and does not match the control structure.
  Review Data Transfer Settings: Go through the data transfer settings in the SAP Data Transfer Workbench or the relevant transaction to ensure that all configurations are correct and that the structures are appropriately defined.
  Consult Documentation: Refer to SAP documentation or guides related to data transfer processes to ensure that you are following the correct procedures and configurations.
  Testing: After making adjustments, perform a test data transfer to verify that the error has been resolved.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LSMW (Legacy System Migration Workbench) or other data migration tools that may be involved in the process.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.