How To Fix RSDME877 - &1 duplicate entries were found in the extract.Only &2 entries classified

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 877

• Message text: &1 duplicate entries were found in the extract.Only &2 entries classified

What causes this issue?

Duplicate entries (records) were found in the Extract used for ABC
Classification.
This also could be due to that the keys from the Extract may not be all
made Classified Objects in the ABC model created.

System Response

System doesn't consider the duplicate records for Classifiction.To this
effect, a warning message is raised.

How to fix this error?

To include all the records for Classification, improve the model to
have the set of Classifed Object(s)as the key(s) from the Extract. The
Extract structure can be viewed in the ABC Source Details screen.

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 RSDME877 - &1 duplicate entries were found in the extract.Only &2 entries classified ?

  The SAP error message RSDME877 indicates that there are duplicate entries found in the data extraction process, which prevents the system from processing all the entries correctly. This error typically occurs in the context of data extraction from a source system to a data warehouse, such as SAP BW (Business Warehouse).
  Cause:
  
  
  Duplicate Data: The primary cause of this error is the presence of duplicate records in the source data that are being extracted. This can happen due to various reasons, such as:
  
  Data quality issues in the source system.
  Incorrectly configured data extraction settings.
  Multiple records with the same key fields in the source data.
  
  
  
  Data Model Issues: If the data model in the source system is not designed to handle unique records properly, it can lead to duplicates.
  
  
  Transformation Logic: If there are issues in the transformation logic during the extraction process, it may not filter out duplicates effectively.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Analyze the source data to identify the duplicate entries. You can use SQL queries or data profiling tools to find duplicates based on key fields.
  
  
  
  Data Cleansing: 
  
  Clean the source data to remove duplicates. This may involve modifying the data in the source system or adjusting the extraction logic to ensure that only unique records are extracted.
  
  
  
  Adjust Extraction Settings: 
  
  Review and adjust the extraction settings in SAP BW or the relevant data extraction tool to ensure that it is configured to handle duplicates appropriately.
  
  
  
  Use Data Transformation: 
  
  Implement data transformation rules in the extraction process to filter out duplicates before they are loaded into the target system.
  
  
  
  Check Data Model: 
  
  Ensure that the data model in the source system is designed to prevent duplicates. This may involve setting unique constraints on key fields.
  
  
  
  Testing: 
  
  After making changes, perform a test extraction to ensure that the issue is resolved and that no duplicates are present in the extracted data.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSDME877 for any specific patches or updates that may address this issue.
  Data Quality Tools: Consider using data quality tools to monitor and maintain the integrity of your data in the source system.
  Documentation: Review SAP documentation on data extraction and transformation processes for best practices in handling duplicates.
  
  By addressing the root cause of the duplicates and implementing the appropriate solutions, you should be able to resolve the RSDME877 error and ensure successful data extraction.