How To Fix ESH_OM_OBJ_MODEL_RP2514 - Key field &3 of node &2 of object type &1 cannot used in field mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_RP2 - Object Model Repository (2)

• Message number: 514

• Message text: Key field &3 of node &2 of object type &1 cannot used in field mapping

What causes this issue?

If a node has a field that is flagged for "Contains text" then it is not
possible to use a key field of this node that has semantics "Language
Code" in the field mapping of a composition or association.
Node &v2& of object type &v1& has a field that is flagged to "Contain
text". As node field &v3& is a key field and has semantics "Language
Code" it cannot be used in an association or composition of node &v2&.

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_RP2514 - Key field &3 of node &2 of object type &1 cannot used in field mapping ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2514 indicates that there is an issue with the field mapping configuration in the context of the SAP Enterprise Search or the Object Model. Specifically, it suggests that a key field (denoted as &3) of a node (denoted as &2) of a certain object type (denoted as &1) cannot be used in the field mapping process.
  
  Cause:
  
  Invalid Field Mapping: The key field you are trying to use in the field mapping may not be valid for the specified object type or node. This could be due to the field not being part of the object model or not being defined correctly.
  Field Type Mismatch: There may be a mismatch in the expected data type of the key field and the actual data type being used in the mapping.
  
  Configuration Issues: There could be issues in the configuration of the object model or the search connector that are preventing the