How To Fix RMSRCPMIG066 - Characteristic &1 cannot be assigned uniquely to a column

RMSRCPMIG066 - Overview

• Message type: E = Error

• Message class: RMSRCPMIG -

• Message number: 066

• Message text: Characteristic &1 cannot be assigned uniquely to a column

What causes this issue?

The characteristic &V1& of class &V2& and class type &V3& cannot be
assigned uniquely to a column to display the process parameter data.

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?

Check whether the restrictions are fulfilled that applied for process
parameters before migration (see SAP Note 776572).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

RMSRCPMIG066 - Details

• The SAP error message RMSRCPMIG066 indicates that there is an issue with the assignment of characteristics to columns in the context of a migration or data model configuration. This error typically arises when a characteristic is not uniquely assigned to a column, which can lead to ambiguity in data representation.
  
  Cause:
  
  Non-Unique Assignment: The characteristic specified in the error message (&1) is being assigned to multiple columns, which violates the requirement for unique assignments.
  Data Model Configuration: The data model or structure may not be correctly defined, leading to overlapping assignments of characteristics.
  Migration Issues: If this error occurs during a migration process, it may be due to inconsistencies in the source data or configuration that do not align with the target structure.
  
  
  Solution:
  
  Review Assignments: Check the configuration of the data model to ensure that each characteristic is assigned to only one column. You can do this by navigating to the relevant configuration settings in