How To Fix ESH_OM_OBJ_MODEL_RP2321 - Cardinality "&3" does not fit to foreign key definitions

ESH_OM_OBJ_MODEL_RP2321 - Overview

• Message type: E = Error

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

• Message number: 321

• Message text: Cardinality "&3" does not fit to foreign key definitions

What causes this issue?

All key fields of node &v2& of object type &v1& are specified in the
foreign key definition of the composition. In this case only a
cardinality "Exactly one" or "Up to one" makes sense.

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?

In the modeler for search and analytics adjust the cardinality or the
foreign key definition.
When importing data adjust the target cardinality or the foreign key
definition.

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_RP2321 - Cardinality "&3" does not fit to foreign key definitions ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2321 indicates a problem with the cardinality of a relationship in the object model, specifically related to foreign key definitions. This error typically arises in the context of the SAP Enterprise Search (SAP ESH) or when working with the Object Model in SAP.
  
  Cause:
  The error message suggests that there is a mismatch between the cardinality defined in the object model and the foreign key constraints in the database. Cardinality refers to the number of instances of one entity that can or must be associated with each instance of another entity. The error message indicates that the cardinality defined (represented by "&3") does not align with what is expected based on the foreign key definitions.
  Possible Causes:
  
  Incorrect Cardinality Definition: The cardinality defined in the object model may not match the actual relationships defined in the database schema.
  Database Schema Changes: If there have been recent changes to the database schema