How To Fix GD034 - Sender structure could not be determined.

SAP Error Message - Details

• Message type: E = Error

• Message class: GD - EDT: External data transfer

• Message number: 034

• Message text: Sender structure could not be determined.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GD034 - Sender structure could not be determined. ?

  The SAP error message GD034 ("Sender structure could not be determined") typically occurs in the context of SAP's integration with other systems or when dealing with data transfer processes, such as in the case of IDocs, BAPIs, or other data exchange mechanisms. This error indicates that the system is unable to identify the sender structure for the data being processed.
  Causes:
  
  Missing Configuration: The sender structure may not be properly configured in the system. This could be due to missing entries in the relevant customizing tables.
  Incorrect Mapping: There may be an issue with the mapping of the data structures, where the sender structure is not correctly defined or linked to the expected receiver structure.
  Data Format Issues: The data being sent may not conform to the expected format, leading to the system's inability to determine the sender structure.
  Transport Layer Issues: If the error occurs during a transport process, it may be due to issues in the transport layer or missing transport requests.
  Authorization Issues: Sometimes, authorization problems can prevent the system from accessing the necessary configuration or data structures.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the sender structure in the relevant customizing transactions (e.g., WE20 for IDoc partner profiles).
  Verify Mapping: Ensure that the mapping between the sender and receiver structures is correctly defined. This may involve checking the relevant function modules or mapping definitions.
  Data Validation: Validate the data being sent to ensure it adheres to the expected format and structure. This may involve checking the data types and lengths.
  Review Transport Requests: If the error occurs during a transport process, check the transport requests to ensure that all necessary objects are included and correctly transported.
  Check Authorizations: Ensure that the user or process executing the data transfer has the necessary authorizations to access the required structures and configurations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE20 (Partner Profiles), WE21 (Port Definition), and WE30 (IDoc Types) for IDoc-related configurations.
  SAP Notes: Search for SAP Notes related to the GD034 error message in the SAP Support Portal, as there may be specific patches or updates that address known issues.
  Debugging: If the issue persists, consider using debugging tools to trace the execution flow and identify where the determination of the sender structure fails.
  Documentation: Review SAP documentation related to the specific integration scenario you are working with, as it may provide insights into common pitfalls and best practices.
  
  By following these steps, you should be able to diagnose and resolve the GD034 error in your SAP system.