How To Fix ESH_OM_OBJ_MODEL_REP127 - Key of back-end navigation is not fully specified

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 127

• Message text: Key of back-end navigation is not fully specified

What causes this issue?

The key of a backend navigation consists of the fields <LS>Object Type
</>, <LS>Node</>, <LS>Target UI</><(>,<)><LS> Type</><(>,<)><LS> UI
Operation</>, and <LS>Target Navigation ID</>. 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

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

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_REP127 - Key of back-end navigation is not fully specified ?

  The SAP error message ESH_OM_OBJ_MODEL_REP127 indicates that there is an issue with the navigation key in the back-end system not being fully specified. This error typically arises in the context of SAP Enterprise Search or when working with the Object Model in SAP.
  Cause:
  The error usually occurs due to one of the following reasons:
  
  Incomplete Key Specification: The navigation key required to access a specific object or entity in the back-end system is not fully defined. This could mean that one or more key fields are missing or not populated correctly.
  Configuration Issues: There may be a misconfiguration in the object model or the search model that leads to incomplete key definitions.
  Data Issues: The data in the back-end system may be incomplete or corrupted, leading to missing key information.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Object Model Configuration:
  
  Go to the SAP system and check the configuration of the object model related to the search or navigation.
  Ensure that all required key fields are defined and correctly mapped.
  
  
  
  Review Navigation Keys:
  
  Verify that the navigation keys used in your queries or searches are complete and correctly specified.
  If you are using custom navigation, ensure that all necessary parameters are being passed.
  
  
  
  Data Validation:
  
  Check the data in the back-end system to ensure that all necessary fields are populated.
  Look for any inconsistencies or missing data that could lead to incomplete keys.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can trace the execution to see where the key is being constructed and identify what might be missing.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of the software you are using. There may be known issues or patches available.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to the Object Model and Enterprise Search, such as ESH_COCKPIT or EHS_SEARCH, to help in configuration and troubleshooting.
  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_REP127 error in your SAP environment.