How To Fix S_UNIFIED_CON_API120 - Communication Assembly &1 doesn't exist.

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON_API - Messages for API for Unified Connectivity

• Message number: 120

• Message text: Communication Assembly &1 doesn't exist.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON_API120 - Communication Assembly &1 doesn't exist. ?

  The SAP error message S_UNIFIED_CON_API120 indicates that a specific Communication Assembly (CA) does not exist in the system. This error typically arises in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when the system is trying to access a communication assembly that has not been defined or has been deleted.
  Cause:
  
  Non-existent Communication Assembly: The specified Communication Assembly (CA) is not created or has been removed from the system.
  Incorrect Configuration: There may be a misconfiguration in the integration scenario where the CA is referenced incorrectly.
  Transport Issues: If the CA was recently transported from another system, the transport might not have included the CA or it may not have been activated properly.
  Authorization Issues: The user may not have the necessary authorizations to view or access the Communication Assembly.
  
  Solution:
  
  
  Check Communication Assembly:
  
  Go to the Integration Directory or Enterprise Services Repository (ESR) and verify if the Communication Assembly exists.
  If it does not exist, you may need to create it or restore it from a backup if it was deleted.
  
  
  
  Create/Restore Communication Assembly:
  
  If the CA is missing, create a new Communication Assembly with the required configurations.
  If it was deleted, check if you can restore it from a transport request or backup.
  
  
  
  Verify Configuration:
  
  Review the configuration settings in the Integration Directory to ensure that the CA is referenced correctly in the relevant integration scenarios.
  Ensure that all necessary components (like interfaces, mappings, etc.) are correctly linked to the CA.
  
  
  
  Check Transport Requests:
  
  If the CA was supposed to be transported from another system, check the transport logs to ensure that the transport was successful and included the CA.
  If necessary, re-transport the CA.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the Communication Assembly. You may need to consult with your SAP security team to verify and adjust authorizations.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  Documentation: Refer to the official SAP documentation for Process Integration/Orchestration for detailed information on Communication Assemblies and their configuration.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.