How To Fix OQ_C404 - Segment header & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: OQ_C - IS-Oil SSR : Message pool Fuels

• Message number: 404

• Message text: Segment header & does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OQ_C404 - Segment header & does not exist ?

  The SAP error message "OQ_C404 Segment header & does not exist" typically occurs in the context of the SAP system when dealing with IDocs (Intermediate Documents) or EDI (Electronic Data Interchange) processing. This error indicates that the system is unable to find a specific segment header that is expected in the IDoc structure.
  Cause:
  
  Missing Segment Definition: The segment header that the system is looking for is not defined in the IDoc type or is not correctly configured.
  Incorrect IDoc Type: The IDoc type being used may not match the expected structure, leading to missing segments.
  Configuration Issues: There may be issues in the configuration of the IDoc processing, such as incorrect mapping or missing segments in the IDoc definition.
  Data Issues: The data being processed may not conform to the expected structure, leading to the absence of required segments.
  
  Solution:
  
  
  Check IDoc Type and Segments:
  
  Verify that the IDoc type being used is correct and that all required segments are defined in the IDoc structure.
  Use transaction code WE30 to check the IDoc type and ensure that the segment definitions are complete.
  
  
  
  Review IDoc Configuration:
  
  Check the configuration settings for the IDoc processing in transaction WE20 (Partner Profiles) to ensure that the correct message types and IDoc types are assigned.
  Ensure that the mapping between the source and target systems is correctly set up.
  
  
  
  Validate Data:
  
  Review the data being sent to ensure that it conforms to the expected structure and includes all necessary segments.
  If the data is coming from an external system, ensure that the data format is correct and that all required fields are populated.
  
  
  
  Debugging:
  
  If the issue persists, consider using transaction WE19 to simulate the IDoc processing and identify where the error occurs.
  You can also use transaction SLG1 to check the application log for more detailed error messages related to IDoc processing.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or community forums for specific guidance related to the IDoc type and segments you are working with.
  
  
  
  Related Information:
  
  IDoc Types: IDocs are structured in segments, and each segment can have a header and data fields. Understanding the structure of the IDoc type you are working with is crucial.
  Transaction Codes:
  
  WE30: IDoc Type Development
  WE20: Partner Profiles
  WE19: Test Tool for IDocs
  SLG1: Application Log
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  
  By following these steps, you should be able to identify the cause of the "OQ_C404 Segment header & does not exist" error and implement a solution to resolve it.