How To Fix IHC271 - Partner category is unknown for outbound IDoc => Cancel

SAP Error Message - Details

• Message type: E = Error

• Message class: IHC - IHC Messages

• Message number: 271

• Message text: Partner category is unknown for outbound IDoc => Cancel

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IHC271 - Partner category is unknown for outbound IDoc => Cancel ?

  The SAP error message IHC271 indicates that there is an issue with the partner category for an outbound IDoc in the context of the Integrated Communication (IHC) module. This error typically arises when the system cannot determine the partner category for the specified partner during the IDoc processing.
  Cause:
  
  Missing Partner Profile: The partner profile for the specified partner may not be defined correctly in the system.
  Incorrect Partner Type: The partner type (e.g., logical system, customer, vendor) may not be set up correctly or may not match the expected configuration.
  Configuration Issues: There may be issues in the configuration of the IDoc interface or the communication settings.
  Data Inconsistencies: There could be inconsistencies in the master data related to the partner.
  
  Solution:
  
  
  Check Partner Profile:
  
  Go to transaction WE20 and verify the partner profile for the partner in question. Ensure that the partner type and other settings are correctly configured.
  Make sure that the outbound parameters for the IDoc type are correctly defined.
  
  
  
  Verify Partner Type:
  
  Ensure that the partner type is correctly defined in the system. If the partner is a logical system, check that it is correctly set up in transaction SM59.
  
  
  
  Review IDoc Configuration:
  
  Check the IDoc configuration in transaction WE30 (IDoc types) and WE31 (IDoc segments) to ensure that the IDoc type being used is correctly defined and that all necessary segments are included.
  
  
  
  Check Master Data:
  
  Verify the master data for the partner (e.g., customer or vendor) to ensure that it is complete and consistent. Look for any missing or incorrect entries.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the IDoc processing to identify where the partner category is being determined and why it is failing.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the IHC module and IDoc processing for any specific guidance or known issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  WE20: Partner Profiles
  WE30: IDoc Types
  WE31: IDoc Segments
  SM59: RFC Destinations
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  IDoc Monitoring: Use transaction WE02 or WE05 to monitor IDocs and check for any additional error messages or logs that may provide more context.
  
  By following these steps, you should be able to identify and resolve the cause of the IHC271 error message.