How To Fix RSAR171 - Error when reading control file & (type &)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 171

• Message text: Error when reading control file & (type &)

What causes this issue?

An error occurred when reading control file &V1& from data source &V2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether you have reading authorization for the file entered and
whether the file exists. Where necessary change the file name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR171 - Error when reading control file & (type &) ?

  The SAP error message RSAR171 typically occurs in the context of data extraction or data loading processes, particularly when dealing with the SAP BW (Business Warehouse) system. This error indicates that there is an issue with reading the control file associated with the data transfer process.
  Cause of RSAR171 Error
  The error can be caused by several factors, including:
  
  File Not Found: The control file specified in the process does not exist in the expected directory.
  File Permissions: The user or process attempting to read the control file does not have the necessary permissions to access it.
  File Format Issues: The control file may be corrupted or not in the expected format, leading to read errors.
  Incorrect Path: The path specified for the control file may be incorrect or misconfigured in the settings.
  Network Issues: If the control file is located on a network drive, there may be connectivity issues preventing access.
  
  Solution to RSAR171 Error
  To resolve the RSAR171 error, you can take the following steps:
  
  
  Verify File Existence: Check if the control file exists in the specified directory. If it does not, ensure that the file is created or placed in the correct location.
  
  
  Check Permissions: Ensure that the user or service account running the SAP process has the necessary permissions to read the control file. Adjust permissions as needed.
  
  
  Inspect File Format: Open the control file to ensure it is not corrupted and is in the correct format. If necessary, recreate the control file.
  
  
  Validate Path Configuration: Double-check the configuration settings in SAP to ensure that the path to the control file is correct. Update the path if it is incorrect.
  
  
  Network Connectivity: If the control file is on a network drive, check for any network issues that may be preventing access. Ensure that the network path is accessible.
  
  
  Review Logs: Check the SAP application logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Restart Process: After making the necessary corrections, restart the data transfer process to see if the error persists.
  
  
  Related Information
  
  SAP Notes: Check SAP Notes related to RSAR171 for any specific patches or updates that may address this error.
  Documentation: Review SAP documentation on data extraction and loading processes to ensure that all configurations are set correctly.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the RSAR171 error in your SAP environment.