How To Fix R8021 - InfoSource &1 not saved; there is no data for it in the buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 021

• Message text: InfoSource &1 not saved; there is no data for it in the buffer

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8021 - InfoSource &1 not saved; there is no data for it in the buffer ?

  The SAP error message R8021 indicates that the InfoSource you are trying to work with has not been saved because there is no data available for it in the buffer. This typically occurs in the context of SAP BW (Business Warehouse) when dealing with data extraction and loading processes.
  Cause:
  
  
  No Data in the Source System: The most common reason for this error is that there is no data available in the source system for the specified InfoSource. This could be due to various reasons, such as:
  
  The data extraction process has not been executed.
  The data has been filtered out based on selection criteria.
  The data has not yet been loaded into the InfoSource.
  
  
  
  Buffer Issues: The buffer for the InfoSource may not have been populated correctly, or there may be issues with the data transfer process.
  
  
  Configuration Issues: There may be configuration issues with the InfoSource or the data source that prevent data from being extracted or loaded properly.
  
  
  Solution:
  
  
  Check Source System Data: Verify that there is data available in the source system for the InfoSource. You can do this by checking the relevant tables or using transaction codes like RSA3 to test the data extraction.
  
  
  Execute Data Load: If there is no data, ensure that the data load process has been executed. You can do this by running the relevant data extraction process (e.g., using the InfoPackage).
  
  
  Check InfoSource Configuration: Review the configuration of the InfoSource and ensure that it is set up correctly. This includes checking the data source, transformation rules, and any filters that may be applied.
  
  
  Monitor Data Transfer: Use transaction codes like RSA1 (Data Warehousing Workbench) to monitor the data transfer process and check for any errors or warnings that may indicate issues with the data load.
  
  
  Repopulate Buffer: If the buffer is empty, you may need to refresh or repopulate it by executing the data load again.
  
  
  Check for Errors: Look for any error messages in the process chain or data load logs that may provide additional context on why the data is not being loaded.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSA3 (Data Extraction), and RSMO (Monitor Data Load).
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific InfoSource or data extraction process you are working with.
  Documentation: Review SAP documentation for best practices on data extraction and InfoSource configuration.
  
  By following these steps, you should be able to identify the cause of the R8021 error and implement a solution to resolve it.