How To Fix ESH_OM_OBJ_MODEL_REP020 - Key of node description is not fully specified

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 020

• Message text: Key of node description is not fully specified

What causes this issue?

The key of a node description consists of the fields <LS>Object Type</>,
<LS>Node</>, and <LS>L</><LS>anguage</>. At least one of these fields is
not specified.

System Response

The key is invalid.

How to fix this error?

Correct your entries accordingly.

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_REP020 - Key of node description is not fully specified ?

  The SAP error message ESH_OM_OBJ_MODEL_REP020 indicates that there is an issue with the key of a node description not being fully specified in the context of the Enterprise Search (ESH) Object Model. This error typically arises when the system expects a complete key for a node but receives an incomplete or incorrect specification.
  Cause:
  
  Incomplete Key Specification: The error usually occurs when the key for a node in the object model is not fully defined. This could be due to missing parameters or incorrect configuration in the object model.
  Configuration Issues: There may be issues in the configuration of the ESH or the underlying data model that leads to incomplete key definitions.
  Data Inconsistencies: If the data being indexed or searched does not have the required attributes or keys, it can lead to this error.
  
  Solution:
  
  
  Check Object Model Configuration:
  
  Go to the ESH configuration settings and verify the object model configuration. Ensure that all required keys for the nodes are properly defined.
  Make sure that the key fields are correctly mapped and that there are no missing fields.
  
  
  
  Review Data Sources:
  
  Check the data sources that are being indexed. Ensure that they contain all the necessary fields and that the data is consistent.
  If you are using custom data sources, ensure that they are correctly implemented and that they provide all required key information.
  
  
  
  Re-indexing:
  
  If changes have been made to the object model or data sources, consider re-indexing the data. This can help refresh the index and resolve any inconsistencies.
  Use transaction codes like ESH_COCKPIT to manage and monitor the indexing process.
  
  
  
  Debugging:
  
  If the issue persists, you may need to debug the application to identify where the key is being incorrectly specified. This may involve looking at the code or configuration that generates the object model.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to ESH and object model configuration for any specific guidelines or troubleshooting steps.
  
  
  
  SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with the error details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as EHS_COCKPIT, SE80, or SE11 for checking object models and data definitions.
  SAP Notes: Search for SAP Notes related to ESH and the specific error message for any patches or updates that may address the issue.
  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 identify and resolve the cause of the ESH_OM_OBJ_MODEL_REP020 error in your SAP system.