How To Fix IHC639 - IDoc & and determined transport type & do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: IHC - IHC Messages

• Message number: 639

• Message text: IDoc & and determined transport type & do not match

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IHC639 - IDoc & and determined transport type & do not match ?

  The SAP error message IHC639 indicates that there is a mismatch between the IDoc and the determined transport type in the context of the SAP Integrated Communication (IHC) module. This error typically arises when the system is trying to process an IDoc for a transport scenario, but the transport type defined for the IDoc does not match the expected transport type for the configuration.
  Cause:
  
  Configuration Mismatch: The transport type defined in the IDoc does not match the transport type that is configured in the IHC settings for the specific scenario.
  Incorrect IDoc Type: The IDoc type being processed may not be compatible with the transport type that is expected.
  Missing or Incorrect Customizing: The customizing settings for the transport types in the IHC configuration may not be set up correctly.
  Data Issues: There may be issues with the data being sent in the IDoc that lead to the mismatch.
  
  Solution:
  
  
  Check IDoc Configuration:
  
  Verify the IDoc type being used and ensure it is correctly configured in the IHC settings.
  Check the transport type assigned to the IDoc and ensure it matches the expected transport type in the IHC configuration.
  
  
  
  Review IHC Customizing:
  
  Go to the IHC customizing settings (transaction code SPRO) and navigate to the relevant sections for transport types.
  Ensure that the transport types are correctly defined and that they correspond to the IDoc types being processed.
  
  
  
  Adjust Transport Type:
  
  If necessary, adjust the transport type in the IDoc or in the IHC configuration to ensure they match.
  
  
  
  Test with Sample Data:
  
  Create a test IDoc with known good data and see if it processes correctly. This can help isolate whether the issue is with the specific IDoc or a broader configuration issue.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to IHC and IDoc processing for any specific guidance or known issues.
  
  
  
  Related Information:
  
  IDoc Types: Understand the different IDoc types and their associated transport types.
  IHC Configuration: Familiarize yourself with the IHC configuration settings, especially those related to transport management.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the IHC639 error in your SAP system.