How To Fix RSDS266 - Delta field is not flagged for transfer

RSDS266 - Overview

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 266

• Message text: Delta field is not flagged for transfer

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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RSDS266 - Details

• The SAP error message RSDS266, which states "Delta field is not flagged for transfer," typically occurs in the context of data extraction from a source system to a data warehouse (like SAP BW). This error indicates that a field that is expected to be part of the delta extraction process is not configured correctly in the source system.
  
  Cause:
  
  Field Configuration: The field in question is not marked as a delta field in the DataSource configuration. Delta fields are those that are tracked for changes, allowing for incremental data loads rather than full loads.
  DataSource Settings: The DataSource may not be set up correctly to include the necessary fields for delta extraction.
  Change Log: The change log for the data source may not be properly configured or may not exist, which is necessary for delta extraction.
  Field Type: The field may not be of a type that supports delta extraction (e.g., certain calculated fields or