How To Fix ESH_OM_OBJ_MODEL_REP853 - Node is used in object type &1, node &2, ODP &3, field &4

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 853

• Message text: Node is used in object type &1, node &2, ODP &3, field &4

What causes this issue?

An operational data provider (ODP) can be identified by a unique pair of
ID and semantics. In the message text, ID and semantics of an ODP are
delimitated by #/# (punctuation mark slash). For example, the notation
#ODP abc/d# stands for an ODP with ID #abc# and semantics #d#.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_OM_OBJ_MODEL_REP853 - Node is used in object type &1, node &2, ODP &3, field &4 ?

  The SAP error message ESH_OM_OBJ_MODEL_REP853 indicates that there is an issue related to the object model in the SAP Enterprise Search (SAP ESH) framework. This error typically arises when a node in the object model is being referenced in a way that is not allowed, possibly due to inconsistencies or misconfigurations in the object model.
  Cause:
  
  Node Usage Conflict: The node specified in the error message is being used in an object type, which may lead to conflicts or inconsistencies in the object model.
  Configuration Issues: There may be issues with the configuration of the object model, such as incorrect mappings or relationships between nodes and object types.
  Data Inconsistencies: There could be inconsistencies in the underlying data that the object model is trying to represent, leading to this error.
  
  Solution:
  
  
  Check Object Model Configuration:
  
  Review the configuration of the object model in the SAP ESH settings. Ensure that the nodes and object types are correctly defined and that there are no conflicts.
  Use transaction codes like EHS1 or EHS2 to access the object model configuration and verify the settings.
  
  
  
  Review Node Usage:
  
  Identify where the node is being used in the object type and ensure that it is being referenced correctly. If the node is not supposed to be used in that context, consider removing or modifying the reference.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the data related to the object model. Ensure that all necessary data is present and correctly formatted.
  
  
  
  Rebuild the Object Model:
  
  If the issue persists, consider rebuilding the object model. This can often resolve underlying issues that are not immediately apparent.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing the object model in SAP ESH.
  Documentation: Review SAP documentation related to Enterprise Search and object model configuration for best practices and troubleshooting tips.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the ESH_OM_OBJ_MODEL_REP853 error effectively.