How To Fix RSDMD148 - Duplicate data record with key &1&2 found

RSDMD148 - Overview

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 148

• Message text: Duplicate data record with key &1&2 found

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.

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RSDMD148 - Details

• The SAP error message RSDMD148, which states "Duplicate data record with key &1&2 found," typically occurs in the context of data modeling or data loading processes in SAP BW (Business Warehouse). This error indicates that there are duplicate entries in the data being processed, which violates the uniqueness constraints defined for the data model.
  
  Cause:
  
  Duplicate Records: The most common cause of this error is the presence of duplicate records in the data source that you are trying to load into the InfoProvider (e.g., InfoCube, DataStore Object).
  Incorrect Data Source: The data source may be incorrectly configured, leading to the extraction of duplicate records.
  Data Transformation Issues: During the ETL (Extract, Transform, Load) process, transformations may inadvertently create duplicates.
  Key Definition: The key fields defined for the InfoProvider may not be correctly set, leading to conflicts when loading data.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Check the source data for duplicates. You can use SQL queries or data profiling tools