How To Fix RSPLS_CR023 - Reference data in DataStore '&1' is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: RSPLS_CR - Messages on Characteristic Relationships/Data Slices

• Message number: 023

• Message text: Reference data in DataStore '&1' is not unique

What causes this issue?

In the characteristic relationship for InfoCube '&V2&', DataStore '&V1&'
is being used to store reference data for a characteristic derivation.
Source field combinations of characteristics appear more than once in
the reference data.

System Response

The DataStore cannot be used in the characteristic relationships to
derive characteristics.

How to fix this error?

Check the data records in the DataStore.

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 RSPLS_CR023 - Reference data in DataStore '&1' is not unique ?

  The SAP error message RSPLS_CR023 indicates that there is a problem with the reference data in a DataStore Object (DSO) where the data is not unique. This typically occurs in the context of SAP BW (Business Warehouse) when you are trying to load or process data that requires unique reference entries, but the data being processed contains duplicates.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the DataStore Object contains duplicate entries for the key fields that are expected to be unique. This can happen due to incorrect data loading processes or issues in the source data.
  Incorrect Data Model: The data model may not be designed correctly, leading to situations where multiple records are being treated as unique when they should not be.
  Data Transformation Issues: During the ETL (Extract, Transform, Load) process, transformations may inadvertently create duplicates.
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use transaction codes like RSA1 to access the Data Warehousing Workbench and check the DSO for duplicate entries.
  You can also run queries or use SQL to identify duplicates in the underlying database tables.
  
  
  
  Data Cleansing:
  
  Once duplicates are identified, you need to cleanse the data. This may involve removing duplicates or consolidating records to ensure that each key field combination is unique.
  You can use tools like SAP Data Services or other ETL tools to help with data cleansing.
  
  
  
  Adjust Data Loading Process:
  
  Review the data loading process to ensure that it is not introducing duplicates. This may involve adjusting the extraction logic or transformation rules.
  Ensure that the source data is clean and does not contain duplicates before loading it into the DSO.
  
  
  
  Check Data Model:
  
  Review the data model to ensure that it is designed correctly. If necessary, adjust the key fields of the DSO to ensure that they reflect the unique constraints of the data.
  
  
  
  Reprocess Data:
  
  After cleansing the data and ensuring that the loading process is correct, reprocess the data load to the DSO.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSPC (Process Chain), and RSD1 (InfoObject Maintenance) for managing and troubleshooting data loads.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP BW documentation for best practices on data modeling and ETL processes to prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the RSPLS_CR023 error and ensure that your DataStore Object maintains unique reference data.