How To Fix RT118 - Segment name &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 118

• Message text: Segment name &1 is invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT118 - Segment name &1 is invalid ?

  The SAP error message RT118, which states "Segment name &1 is invalid," typically occurs in the context of Electronic Data Interchange (EDI) or when working with IDoc (Intermediate Document) processing. This error indicates that the segment name specified in the IDoc or EDI message does not match any of the valid segment names defined in the associated message type or IDoc type.
  Causes:
  
  Incorrect Segment Name: The segment name specified in the IDoc or EDI message does not exist in the defined structure for the message type.
  Typographical Errors: There may be a typo in the segment name, leading to the system not recognizing it.
  Outdated or Incorrect IDoc Type: The IDoc type being used may not be correctly configured or may not match the expected structure.
  Version Mismatch: The version of the IDoc or EDI message being sent may not be compatible with the version expected by the receiving system.
  
  Solutions:
  
  Check Segment Name: Verify that the segment name specified in the IDoc or EDI message is correct and matches the expected segment names for the message type.
  Review IDoc Structure: Use transaction WE30 (IDoc Types) or WE31 (Segment Types) to review the structure of the IDoc and ensure that the segment name is defined correctly.
  Correct Typographical Errors: If there are any typos in the segment name, correct them in the IDoc or EDI message.
  Update IDoc Type: If the IDoc type is outdated or incorrect, consider updating it or using the correct IDoc type that matches the expected structure.
  Check Configuration: Ensure that the configuration for the EDI or IDoc processing is set up correctly, including the message type and associated segments.
  Consult Documentation: Refer to SAP documentation or the relevant EDI standards to ensure compliance with the expected segment names and structures.
  
  Related Information:
  
  Transaction Codes: 
  
  WE30: To view and maintain IDoc types.
  WE31: To view and maintain segment types.
  WE02: To monitor IDocs and check for errors.
  
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific IDoc type or message type you are working with.
  EDI Standards: Familiarize yourself with the EDI standards relevant to your business processes, as they may provide insights into the expected segment names and structures.
  
  By following these steps, you should be able to identify the cause of the RT118 error and implement the necessary corrections to resolve it.