How To Fix ESH_OM_OBJ_MODEL_REP734 - No connector has been created: Select a back-end connection

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 734

• Message text: No connector has been created: Select a back-end connection

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_OM_OBJ_MODEL_REP734 - No connector has been created: Select a back-end connection ?

  The SAP error message ESH_OM_OBJ_MODEL_REP734 indicates that there is no connector created for the Enterprise Search (ES) in the SAP system. This typically occurs when the system is unable to find a valid back-end connection to retrieve data for the search functionality.
  Cause:
  
  Missing Back-End Connection: The most common cause is that a back-end connection has not been defined or configured in the system.
  Incorrect Configuration: The existing back-end connection may be incorrectly configured or inactive.
  Authorization Issues: The user may not have the necessary authorizations to access the back-end connection.
  System Issues: There may be issues with the system itself, such as network problems or service outages.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Back-End Connections:
  
  Go to the SAP GUI and navigate to the transaction code /IWFND/MAINT_SERVICE or /IWFND/ERROR_LOG to check if the back-end services are correctly defined.
  Ensure that the back-end connection is created and active.
  
  
  
  Create or Configure Back-End Connection:
  
  If no back-end connection exists, you will need to create one. This can typically be done in the SAP NetWeaver Administrator or through the relevant configuration transactions.
  Ensure that the connection parameters (like the system ID, client, user credentials, etc.) are correctly set.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to access the back-end connection. This may involve checking roles and profiles assigned to the user.
  
  
  
  Test the Connection:
  
  Use the RFC Connection Test to ensure that the connection to the back-end system is working properly. You can do this using transaction SM59.
  
  
  
  Check Logs:
  
  Review the logs for any additional error messages that might provide more context about the issue. You can check the application logs using transaction SLG1.
  
  
  
  Restart Services:
  
  Sometimes, simply restarting the relevant services or the entire system can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for Enterprise Search and back-end connection configuration.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after following these steps, it may be beneficial to contact SAP support for further assistance.