How To Fix RSDMD291 - Delta handling: Record &1 merged into record &2

RSDMD291 - Overview

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 291

• Message text: Delta handling: Record &1 merged into record &2

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.

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RSDMD291 - Details

• The SAP error message RSDMD291, which states "Delta handling: Record &1 merged into record &2," typically occurs in the context of data extraction and delta handling in SAP BW (Business Warehouse). This message indicates that during the delta extraction process, two records have been merged, which can happen for various reasons, such as changes in the source data or the way data is structured.
  
  Cause:
  
  Data Changes: The source data may have undergone changes that resulted in two records being merged. This can happen if the data model allows for merging of records based on certain keys or attributes.
  Data Model Configuration: The configuration of the InfoObject or the data model may allow for merging of records, especially if there are overlapping keys or if the delta mechanism is not properly set up.
  Delta Queue Issues: There may be issues with the delta queue, where records are not being processed correctly, leading to unexpected