How To Fix E1129 - Process code (inbound) exists

SAP Error Message - Details

• Message type: E = Error

• Message class: E1 - Messages for IDoc Basis

• Message number: 129

• Message text: Process code (inbound) exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message E1129 - Process code (inbound) exists ?

  The SAP error message E1129, which states "Process code (inbound) exists," typically occurs in the context of inbound processing, particularly when dealing with IDocs (Intermediate Documents) or other forms of data exchange in SAP systems. This error indicates that there is a conflict or issue with the process code that is being used for inbound processing.
  Cause:
  
  Duplicate Process Code: The error often arises when there is a duplicate process code defined in the system. This can happen if multiple configurations or settings are trying to use the same process code for inbound processing.
  Incorrect Configuration: The process code may not be correctly configured in the system, leading to conflicts when trying to process inbound messages.
  Missing or Incorrect Partner Profile: The partner profile (WE20) may not be set up correctly, or the process code may not be assigned properly to the relevant message type or partner.
  IDoc Type Issues: The IDoc type being used may not be correctly linked to the process code, causing the system to throw this error.
  
  Solution:
  
  Check for Duplicates: Go to transaction WE42 (or WE20) and check if there are duplicate entries for the process code in question. If duplicates exist, remove or correct them.
  Review Configuration: Ensure that the process code is correctly configured in transaction WE41. Verify that it is linked to the correct message type and IDoc type.
  Partner Profile Verification: Check the partner profile settings in transaction WE20. Ensure that the process code is correctly assigned to the relevant partner and message type.
  IDoc Type Assignment: Verify that the IDoc type being used is correctly assigned to the process code. You can check this in transaction WE30 (IDoc type definition).
  Testing: After making changes, test the inbound processing again to see if the error persists. Use transaction WE19 to simulate the IDoc processing and check for any further issues.
  
  Related Information:
  
  Transaction Codes:
  
  WE20: Partner Profiles
  WE41: Process Codes
  WE42: Process Code Maintenance
  WE30: IDoc Type Definition
  WE19: Test Tool for IDocs
  
  
  Documentation: Refer to SAP Help documentation for detailed information on IDoc processing and configuration.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation, as they may have access to logs and additional tools to diagnose the problem.