How To Fix E0516 - Segment type & unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 516

• Message text: Segment type & unknown

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 E0516 - Segment type & unknown ?

  The SAP error message E0516 "Segment type & unknown" typically occurs in the context of data processing, particularly when dealing with IDocs (Intermediate Documents) or other data segments in SAP. This error indicates that the system has encountered a segment type that it does not recognize or that is not defined in the system.
  Cause:
  
  Incorrect Segment Type: The segment type specified in the IDoc or data structure does not exist in the system.
  Configuration Issues: The IDoc type or message type may not be properly configured in the system.
  Version Mismatch: There may be a mismatch between the IDoc structure expected by the sender and the receiver.
  Custom Development: If there are custom segments or modifications, they may not be properly defined or activated.
  
  Solution:
  
  
  Check Segment Definition:
  
  Verify that the segment type mentioned in the error message is correctly defined in the IDoc type. You can do this using transaction WE30 (IDoc Types) or WE31 (Segment Types).
  
  
  
  Review IDoc Configuration:
  
  Ensure that the IDoc type and message type are correctly configured in transaction WE81 (Message Types) and WE82 (Basic Types).
  
  
  
  Check for Custom Segments:
  
  If you are using custom segments, ensure that they are properly defined and activated. You can check this in transaction WE31.
  
  
  
  Update or Correct the IDoc:
  
  If the IDoc is being generated from an external system, ensure that the external system is sending the correct segment types that are defined in your SAP system.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the IDoc processing to identify where the unknown segment type is being referenced.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to IDocs and segment types for any specific guidance or updates.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  WE30: IDoc Types
  WE31: Segment Types
  WE81: Message Types
  WE82: Basic Types
  WE02: Display IDocs (to check the status of IDocs)
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to IDoc processing and segment types.
  
  
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the cause of the E0516 error and implement a solution to resolve it.