How To Fix RSWADMDERR1230 - Non-unique index in list

SAP Error Message - Details

• Message type: E = Error

• Message class: RSWADMDERR1 - Web Application Designer 4.0 Error Messages

• Message number: 230

• Message text: Non-unique index in list

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSWADMDERR1230 - Non-unique index in list ?

  The SAP error message RSWADMDERR1230: Non-unique index in list typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when dealing with data extraction, transformation, or loading processes. This error indicates that there is a problem with the uniqueness of the index in a data list, which can lead to issues in data processing.
  Cause:
  The error is usually caused by one of the following reasons:
  
  
  Duplicate Entries: The data being processed contains duplicate entries for a key field that is expected to be unique. This can happen during data extraction from a source system or during data loading into a target system.
  
  
  Incorrect Data Model: The data model may not be correctly defined, leading to situations where the same key is being used for multiple records.
  
  
  Transformation Logic: The transformation logic applied during the data load may inadvertently create duplicates.
  
  
  Data Source Issues: The source data may have inherent duplicates that are not being handled properly.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the data source to identify any duplicate entries. You can use SQL queries or data profiling tools to find duplicates based on the key fields.
  
  
  
  Adjust Data Model:
  
  Ensure that the data model is correctly defined. If necessary, modify the data model to enforce uniqueness on the key fields.
  
  
  
  Modify Transformation Logic:
  
  Review the transformation rules applied during the data load. Ensure that they are correctly aggregating or filtering data to prevent duplicates.
  
  
  
  Use Aggregation:
  
  If duplicates are acceptable in certain contexts, consider using aggregation functions to consolidate duplicate records into a single entry.
  
  
  
  Data Cleansing:
  
  Implement data cleansing processes to remove or handle duplicates before they reach the data warehouse.
  
  
  
  Check InfoObjects:
  
  If you are using InfoObjects in SAP BW, ensure that the characteristics are set up correctly to avoid duplicates.
  
  
  
  Consult Logs:
  
  Check the logs for more detailed error messages that can provide insights into where the duplicates are occurring.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP BW documentation for best practices on data modeling and ETL processes to avoid such issues in the future.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.