How To Fix RSRV027 - Internal error reading the system time

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRV -

• Message number: 027

• Message text: Internal error reading the system time

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 RSRV027 - Internal error reading the system time ?

  The SAP error message RSRV027, which indicates an "Internal error reading the system time," typically arises in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) environments. This error can occur during various operations, such as data loading, reporting, or when executing queries.
  Cause:
  The error is often related to issues with the system's time settings or the underlying database. Some common causes include:
  
  System Time Configuration: The system time on the SAP server or the database server may not be set correctly or may be out of sync with the actual time.
  Database Issues: There may be problems with the database that prevent it from retrieving the system time correctly.
  Network Time Protocol (NTP) Issues: If the servers are configured to synchronize time using NTP, any issues with the NTP service can lead to discrepancies in system time.
  SAP Kernel Issues: There may be bugs or issues in the SAP kernel version being used.
  
  Solution:
  To resolve the RSRV027 error, you can take the following steps:
  
  
  Check System Time:
  
  Verify the system time on the SAP application server and the database server. Ensure that both are set to the correct time and timezone.
  Use the command date in the command line of the server to check the current time.
  
  
  
  Synchronize Time:
  
  If you are using NTP, ensure that the NTP service is running correctly and that the servers are synchronized with a reliable time source.
  You can manually synchronize the time if necessary.
  
  
  
  Database Check:
  
  Check the database logs for any errors or issues that might indicate problems with time retrieval.
  Restart the database if necessary, but ensure that you follow your organization's procedures for doing so.
  
  
  
  SAP Kernel Update:
  
  If the issue persists, consider checking for updates or patches for the SAP kernel. Sometimes, upgrading to a newer version can resolve internal errors.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal. There may be specific notes related to the RSRV027 error that provide additional guidance or patches.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue with the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction RSRV: This transaction is used for checking the consistency of InfoProviders and can be helpful in diagnosing issues related to data loading and reporting.
  System Logs: Check the system logs (transaction SM21) for any related errors or warnings that might provide additional context for the issue.
  Performance Monitoring: Use transaction ST22 to check for dumps that might be related to the error.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the RSRV027 error in your SAP environment.