How To Fix ESH_OM_OBJ_MODEL_RP2325 - Cardinality "&3" does not fit to foreign key definitions

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 325

• 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 association.
Join operators other than = are currently not supported in search. So
although at least one join operator is not =, only a cardinality
"Exactly one" or "Up to one" makes sense in search.

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?

Adjust the cardinality or the foreign key definition if necessary.

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_RP2325 - Cardinality "&3" does not fit to foreign key definitions ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2325 indicates a problem with the cardinality of a relationship in the object model, specifically that the cardinality defined does not match the foreign key definitions in the database. This typically occurs in the context of the SAP Enterprise Search (SAP ESH) or when working with the Object Model in SAP.
  Cause:
  
  Mismatch in Cardinality: The cardinality defined in the object model does not align with the foreign key constraints in the underlying database tables. For example, if the object model defines a one-to-many relationship but the foreign key in the database only allows for a one-to-one relationship, this error will occur.
  Incorrect Configuration: There may be an error in the configuration of the object model, where the relationships between entities are not correctly defined.
  Changes in Database Schema: If there have been recent changes to the database schema (like adding or modifying foreign keys), the object model may not have been updated accordingly.
  
  Solution:
  
  Review Object Model Configuration: Check the configuration of the object model in the SAP system. Ensure that the cardinality defined for relationships matches the foreign key definitions in the database.
  Update Foreign Key Definitions: If the object model is correct, consider updating the foreign key definitions in the database to match the expected cardinality.
  Rebuild Object Model: If there have been significant changes, it may be necessary to rebuild the object model to ensure that it reflects the current state of the database.
  Check for Consistency: Use transaction codes like SE11 (Data Dictionary) to check the definitions of the tables and foreign keys involved. Ensure that they are consistent with the object model.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using for any known issues or additional guidance.
  
  Related Information:
  
  Transaction Codes: Use SE11 to view and edit database table definitions, and SE80 for object model configurations.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Testing: After making changes, test the object model to ensure that the error is resolved and that the relationships function as expected.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.