How To Fix ESH_OM_OBJ_MODEL_REP558 - There is already a fixed value definition for source field &3

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 558

• Message text: There is already a fixed value definition for source field &3

What causes this issue?

In a composition or an association, a node field can be:
Assigned to a node field belonging to the opposite node within the
relation
Given a fixed value
You are trying to assign object type &v1&, node &v2&, field &v3& to
another node field, but a fixed value definition already exists there.

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?

Correct your input 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_REP558 - There is already a fixed value definition for source field &3 ?

  The SAP error message ESH_OM_OBJ_MODEL_REP558 indicates that there is a conflict due to the existence of a fixed value definition for a source field in the context of the Enterprise Search (ESH) or Object Model (OM) configuration. This typically occurs when you are trying to create or modify a fixed value definition for a field that already has a fixed value defined.
  
  Cause:
  The error is caused by attempting to define a fixed value for a source field that already has an existing fixed value definition. This can happen during the configuration of the search model or when modifying the object model in the SAP system.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Existing Definitions:
  
  Go to the relevant configuration area in SAP where the fixed value definitions are maintained (e.g., transaction codes like EHS_SAFETY_DATA_SHEET or EHS_SAFETY_DATA_SHEET).
  Look for the source field mentioned in the error message (indicated by &3 in the error)