How To Fix RSDA271 - Deviation in data package &2 between write and verification phases:

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDA - BW Archiving: Messages

• Message number: 271

• Message text: Deviation in data package &2 between write and verification phases:

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDA271 - Deviation in data package &2 between write and verification phases: ?

  The SAP error message RSDA271 indicates a deviation in the data package between the write and verification phases during data loading processes, typically in the context of Data Warehousing or Data Transfer processes. This error can occur in various scenarios, such as during the extraction, transformation, and loading (ETL) processes in SAP BW (Business Warehouse) or when using SAP Data Services.
  Cause:
  The error RSDA271 usually arises due to one or more of the following reasons:
  
  
  Data Inconsistency: There may be a mismatch between the data being written to the target and the data being verified. This can happen if the data is modified during the loading process or if there are issues with the source data.
  
  
  Data Type Mismatch: If the data types of the source and target fields do not match, it can lead to discrepancies during the write and verification phases.
  
  
  Duplicate Records: If there are duplicate records in the data being loaded, it can cause inconsistencies when the system tries to verify the data.
  
  
  Transformation Errors: Errors in the transformation logic can lead to incorrect data being written, which may not match the expected data during verification.
  
  
  Buffer Issues: Sometimes, issues with the data buffer can lead to discrepancies between the data written and the data verified.
  
  
  Solution:
  To resolve the RSDA271 error, you can take the following steps:
  
  
  Check Data Consistency: Review the data being loaded to ensure that it is consistent and does not change during the loading process. Validate the source data for any anomalies.
  
  
  Verify Data Types: Ensure that the data types of the source and target fields match. If there are discrepancies, adjust the data types accordingly.
  
  
  Handle Duplicates: Check for duplicate records in the source data and handle them appropriately, either by removing duplicates or by adjusting the loading logic.
  
  
  Review Transformation Logic: If you are using transformations, review the logic to ensure that it is correctly processing the data. Debug any transformation rules that may be causing issues.
  
  
  Check Load Process: Monitor the data load process for any interruptions or errors that may occur during the write phase. Ensure that the load process completes successfully without any interruptions.
  
  
  Re-run the Load: After addressing the issues, re-run the data load process to see if the error persists.
  
  
  Consult Logs: Check the application logs and error logs for more detailed information about the error. This can provide insights into what specifically caused the deviation.
  
  
  SAP Notes: Look for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for best practices on data loading and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Data Quality Tools: Consider using data quality tools to validate and cleanse your data before loading it into SAP.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDA271 error effectively.