How To Fix RSDRO123 - Key value exists in duplicate (not allowed by the DataStore type)

RSDRO123 - Overview

• Message type: E = Error

• Message class: RSDRO - ODS Update/Activation

• Message number: 123

• Message text: Key value exists in duplicate (not allowed by the DataStore type)

What causes this issue?

A key value was loaded for the second time. The type of DataStore object
set is <LS>not allowed for overwriting data records.</> In this case,
you are not allowed to load a key value twice.

System Response

Request &v1& / data package &v2&

How to fix this error?

Either delete the request without posting the already existing data
records again, or remove the data records with the critical key values
by selectively deleting from the table for the active data.

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 RSDRO123 - Key value exists in duplicate (not allowed by the DataStore type) ?

  The SAP error message RSDRO123 indicates that there is a duplicate key value in a DataStore Object (DSO) that is not allowed due to the constraints of the DSO type. This typically occurs when you are trying to load data into a DSO that is set up to enforce unique keys, and the data being loaded contains duplicate entries for those keys.
  
  Cause:
  
  Duplicate Data: The most common cause is that the data being loaded into the DSO contains duplicate key values. This can happen if the source data itself has duplicates or if the transformation logic does not properly handle duplicates.
  Incorrect Data Source: The data source might be incorrectly configured, leading to the extraction of duplicate records.
  Transformation Logic: The transformation rules applied during the data load may not be filtering out duplicates as expected.
  Data Model Design: The DSO may be designed to enforce unique keys, and the incoming data does not