Message type: E = Error
Message class:  RSDU_REPART - Messages for Repartitioning InfoProviders 
Message number: 409
Message text: Swap E fact table &1 with &2
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The SAP error message RSDU_REPART409, which states "Swap E fact table &1 with &2," typically occurs in the context of data warehousing, particularly when working with SAP BW (Business Warehouse) and involves issues related to the fact tables during the data loading or data modeling processes.
Cause: This error usually arises due to inconsistencies or conflicts between the fact tables in the data model. The specific causes can include: Data Model Changes: Changes made to the data model, such as modifications to InfoObjects or InfoProviders, that have not been properly reflected in the fact tables. Data Loading Issues: Problems during the data loading process that lead to discrepancies between the expected and actual data in the fact tables. Inconsistent Data: The data in the fact tables may not match the expected structure or content, leading to conflicts when trying to access or manipulate the data. Incorrect Configuration: Misconfiguration of the InfoProviders or the data flow can
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