How To Fix S_UNIFIED_CON_API153 - Communication Assembly &1 already exists.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 153

• Message text: Communication Assembly &1 already exists.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON_API153 - Communication Assembly &1 already exists. ?

  The SAP error message S_UNIFIED_CON_API153 indicates that there is an attempt to create a communication assembly that already exists in the system. This error typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when you are trying to create a new communication assembly with a name that is already in use.
  Cause:
  
  Duplicate Name: The most common cause of this error is that the communication assembly you are trying to create has the same name as an existing one.
  System Configuration: There may be a misconfiguration in the system that is causing the system to incorrectly identify existing communication assemblies.
  Transport Issues: If you are transporting objects between systems, there may be inconsistencies in the transport that lead to this error.
  
  Solution:
  
  
  Check Existing Assemblies: 
  
  Go to the relevant transaction (e.g., Integration Directory) and check if a communication assembly with the same name already exists.
  If it does, you can either modify the existing assembly or choose a different name for the new one.
  
  
  
  Rename the New Assembly: 
  
  If you need to create a new communication assembly, consider using a different name that does not conflict with existing ones.
  
  
  
  Delete or Archive: 
  
  If the existing communication assembly is no longer needed, you can delete or archive it, provided that it is safe to do so and does not affect other processes.
  
  
  
  Check Transport Requests: 
  
  If this issue arises after a transport, ensure that the transport request was completed successfully and that there are no inconsistencies in the target system.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to communication assemblies for any specific guidelines or known issues.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SXMB_IFR, SPRO, or PI/PO Integration Directory for managing communication assemblies.
  SAP Notes: Check SAP Notes for any updates or patches that may address this issue.
  Best Practices: Follow best practices for naming conventions and documentation to avoid conflicts in the future.
  
  By following these steps, you should be able to resolve the error and successfully manage your communication assemblies in SAP.