How To Fix DU044 - The sender structure &1 is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: DU - Data transfer to SAP-EIS

• Message number: 044

• Message text: The sender structure &1 is not defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DU044 - The sender structure &1 is not defined ?

  The SAP error message DU044, which states "The sender structure &1 is not defined," typically occurs in the context of data transfer processes, particularly when working with Data Transfer Workbench (DTW) or when setting up data flows in SAP systems. This error indicates that the system is unable to find a defined structure for the specified sender, which is necessary for processing the data.
  Cause:
  
  Missing Structure Definition: The sender structure (indicated by &1) has not been defined in the system. This could be due to a configuration oversight or an incomplete setup.
  Incorrect Configuration: The sender structure may be incorrectly configured or referenced in the data transfer process.
  Transport Issues: If the structure was recently transported from another system, it may not have been properly imported or activated in the target system.
  Version Mismatch: There may be a version mismatch between the sender and receiver structures, leading to the inability to recognize the sender structure.
  
  Solution:
  
  Define the Sender Structure: Ensure that the sender structure is defined in the system. You may need to create or configure the structure in the relevant transaction (e.g., using transaction SE11 for Data Dictionary).
  Check Configuration: Review the configuration settings for the data transfer process to ensure that the sender structure is correctly referenced. This may involve checking the settings in the relevant customizing transactions.
  Transport Check: If the structure was supposed to be transported from another system, verify that the transport request was successfully imported and that the structure is active.
  Activate Structures: If the structure exists but is inactive, activate it in the Data Dictionary.
  Consult Documentation: Refer to SAP documentation or notes related to the specific data transfer process you are working with for additional guidance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or others relevant to your specific SAP module.
  SAP Notes: Check SAP Notes for any known issues or patches related to the DU044 error message.
  Debugging: If the issue persists, consider debugging the data transfer process to identify where the structure is being referenced and why it is not recognized.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further assistance.