How To Fix RSAR808 - Data read without control file

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 808

• Message text: Data read without control file

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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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR808 - Data read without control file ?

  The SAP error message RSAR808 "Data read without control file" typically occurs in the context of data extraction processes, particularly when using the SAP Data Services or SAP BW (Business Warehouse) systems. This error indicates that the system is attempting to read data from a source without the necessary control file that defines how the data should be processed.
  Cause:
  
  Missing Control File: The control file, which contains metadata about the data being read (such as field definitions, data types, and structure), is not present or not accessible.
  Incorrect Configuration: The data source may not be correctly configured to point to the control file.
  File Path Issues: The path to the control file may be incorrect, or the file may have been moved or deleted.
  Permissions Issues: The user or process attempting to access the control file may not have the necessary permissions to read it.
  
  Solution:
  
  Check Control File Existence: Verify that the control file exists in the expected location. If it is missing, you may need to recreate it or restore it from a backup.
  Verify Configuration: Ensure that the data source configuration is correct and that it points to the correct control file. This may involve checking settings in the SAP BW or Data Services configuration.
  Correct File Path: If the control file has been moved, update the configuration to reflect the new path.
  Check Permissions: Ensure that the user or process has the necessary permissions to access the control file. This may involve adjusting file system permissions or user roles within SAP.
  Review Logs: Check the SAP application logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the SAP documentation for the specific data extraction tool you are using (e.g., SAP BW, SAP Data Services) for guidance on configuring control files and data sources.
  Community Forums: Consider searching or posting in SAP community forums or user groups, as other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.