How To Fix USMD1597 - Data model &1, relationship &2: Value &3 is not valid as a to-field

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 597

• Message text: Data model &1, relationship &2: Value &3 is not valid as a to-field

What causes this issue?

Only the following attributes can be used as a to-field in foreign key
relationships:
All direct attributes defined in attribute maintenance
To-entity types (provided a data element is assigned)
Resolved attributes from relationships with the type Referencing
Resolved key fields from relationships with the type Leading or
Qualifying

System Response

The data model cannot be saved or activated.

How to fix this error?

Use search help for the to-field in the <LS>Fields of Foreign Key
Relationships</> view in Customizing activity <DS:SIMG.FMDM_USMD001>Edit
Data Model</>. This lists the values that are valid.

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 USMD1597 - Data model &1, relationship &2: Value &3 is not valid as a to-field ?

  The SAP error message USMD1597 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the data model or relationships defined in the system. This error indicates that a specific value is not valid for a "to-field" in a relationship defined in the data model.
  Cause:
  The error message can be triggered by several factors, including:
  
  Invalid Value: The value being assigned to the "to-field" does not exist in the target table or is not valid according to the defined data model.
  Data Model Configuration: There may be a misconfiguration in the data model or the relationship definitions, leading to inconsistencies.
  Field Type Mismatch: The data type of the value being assigned may not match the expected data type of the "to-field."
  Missing Data: The required data for the relationship may not be present in the system, leading to the error.
  
  Solution:
  To resolve the USMD1597 error, you can take the following steps:
  
  
  Check the Value: Verify that the value you are trying to assign to the "to-field" is valid and exists in the target table. Ensure that it adheres to any constraints or rules defined in the data model.
  
  
  Review Data Model Configuration: Examine the data model and relationship definitions in the SAP MDG configuration. Ensure that the relationships are correctly defined and that the "to-field" is properly mapped.
  
  
  Field Type Verification: Ensure that the data type of the value being assigned matches the expected data type of the "to-field." If there is a mismatch, correct it.
  
  
  Data Integrity Check: Perform a data integrity check to ensure that all required data is present and valid. This may involve checking for missing records or inconsistencies in the data.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the data model and relationships you are working with. This can provide insights into any specific requirements or constraints.
  
  
  Debugging: If the issue persists, consider using debugging tools in SAP to trace the execution and identify where the error is occurring in the process.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Review training materials or documentation related to SAP MDG and data modeling to ensure a thorough understanding of the concepts involved.
  
  By following these steps, you should be able to identify the root cause of the USMD1597 error and implement an appropriate solution.