How To Fix UD417 - Assignment of & & to data model & already exists

UD417 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 417

• Message text: Assignment of & & to data model & already exists

What causes this issue?

You tried to assign a data model or entity type that had already been
assigned to a data model. Multiple assignments from a hierarchy level
are not allowed.

System Response

The operation is not performed.

How to fix this error?

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.

UD417 - Details

• The SAP error message UD417, which states "Assignment of & & to data model & already exists," typically occurs in the context of data modeling within SAP systems, particularly when working with SAP BW (Business Warehouse) or SAP HANA. This error indicates that there is an attempt to assign a data object (like a data source, InfoObject, or similar) to a data model that already has that assignment.
  
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Duplicate Assignment: The data object you are trying to assign to the data model is already assigned to that model.
  Incorrect Configuration: There may be a misconfiguration in the data model or the object you are trying to assign.
  Transport Issues: If you are working in a transport environment, there might be inconsistencies between different systems (e.g., development, quality assurance, production).
  
  
  Solution:
  To resolve the UD417 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Go to the