How To Fix ESH_OM_OBJ_MODEL_REP021 - Node &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 021

• Message text: Node &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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_OM_OBJ_MODEL_REP021 - Node &1 already exists ?

  The SAP error message ESH_OM_OBJ_MODEL_REP021 with the description "Node &1 already exists" typically occurs in the context of the SAP Enterprise Search or the SAP Business Suite when there is an attempt to create or register a node in a hierarchy or object model that already exists. This can happen during the configuration of the search model or when trying to add new entries to a data structure that already contains an entry with the same identifier.
  Causes:
  
  Duplicate Node Creation: The most common cause is that there is an attempt to create a node (or entry) with an identifier that already exists in the system.
  Data Consistency Issues: There may be inconsistencies in the data model or configuration that lead to the system believing that a node is being created when it already exists.
  Configuration Errors: Incorrect configuration settings in the search model or object model can lead to this error.
  Transport Issues: If changes were transported from one system to another, there might be conflicts with existing nodes.
  
  Solutions:
  
  Check Existing Nodes: Verify if the node with the identifier specified in the error message already exists in the system. You can do this by navigating to the relevant configuration or data model area in SAP.
  Modify or Delete Existing Node: If the node already exists and you need to create a new one, consider modifying the existing node or deleting it if it is no longer needed.
  Review Configuration: Go through the configuration settings for the object model or search model to ensure that there are no errors or misconfigurations that could lead to this issue.
  Clear Cache: Sometimes, clearing the cache of the search or object model can resolve inconsistencies. You can do this through transaction codes like /IWFND/CACHE_CLEANUP or similar, depending on your SAP version.
  Check Transport Requests: If the issue arose after a transport, check the transport requests for any conflicts or issues that may have caused the duplication.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to the object model and search configuration, such as EHS_SEARCH, EHS_OBJ_MODEL, or others relevant to your specific SAP environment.
  SAP Community and Forums: Engage with the SAP Community or forums where similar issues may have been discussed, and solutions shared by other users.
  Documentation: Review SAP documentation related to Enterprise Search and object model configuration for best practices and troubleshooting steps.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.