How To Fix RSDS221 - Last extracted request is '&1', not '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 221

• Message text: Last extracted request is '&1', not '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS221 - Last extracted request is '&1', not '&2' ?

  The SAP error message RSDS221 indicates that there is a mismatch between the last extracted request and the request that the system is trying to process. Specifically, it means that the last request that was successfully extracted is not the same as the one that the system is currently attempting to extract or process.
  Cause:
  
  Data Extraction Issues: This error typically occurs during the data extraction process from a source system to a target system (like BW). It can happen if the data extraction process was interrupted or if there were changes made to the data source after the last successful extraction.
  Request Mismatch: The request that the system is trying to process may not match the last successfully extracted request. This can happen if there are multiple requests in the queue or if the requests are being processed out of order.
  Delta Queue Issues: If you are using delta extraction, there may be issues with the delta queue, leading to inconsistencies in the requests being processed.
  
  Solution:
  
  Check the Last Extracted Request: Verify the last successfully extracted request in the data source. You can do this by checking the relevant InfoProvider or data source in the SAP BW system.
  Reprocess the Request: If the request that is causing the error is not the last one, you may need to reprocess the last successful request or the one that is causing the issue.
  Clear the Delta Queue: If you are using delta extraction, consider clearing the delta queue and re-extracting the data. This can help resolve any inconsistencies.
  Check for Data Source Changes: Ensure that there have been no changes to the data source (like changes in the structure or data) that could affect the extraction process.
  Monitor the Process Chain: If this error occurs within a process chain, monitor the process chain for any failures or issues that may have caused the mismatch.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to monitor and manage data sources and InfoProviders.
  Logs and Traces: Check the logs and traces for more detailed information about the error. You can use transaction SLG1 to view application logs.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation for data extraction processes and troubleshooting common issues related to data loading.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further assistance.