How To Fix RSDD836 - Table &1 contains several entries with an identical key

RSDD836 - Overview

• Message type: E = Error

• Message class: RSDD - Message class for data manager

• Message number: 836

• Message text: Table &1 contains several entries with an identical key

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD836 - Table &1 contains several entries with an identical key ?

  The SAP error message RSDD836 indicates that there are multiple entries in a table that have the same key, which violates the uniqueness constraint expected by the system. This error typically occurs in the context of SAP BW (Business Warehouse) when dealing with InfoObjects, InfoProviders, or other data structures that require unique keys.
  
  Cause:
  
  Duplicate Data: The most common cause of this error is the presence of duplicate records in the underlying data source or during the data loading process. This can happen due to incorrect data extraction, transformation, or loading (ETL) processes.
  Incorrect Data Modeling: The data model may not be correctly defined, leading to situations where the same key is generated for different records.
  Data Source Issues: The data source from which the data is being extracted may contain duplicates, or the extraction logic may not be filtering out duplicates properly.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use SQL queries or SAP BW tools to identify the