How To Fix RSHDB020 - Critical revision installed. Data might be corrupted during compression

SAP Error Message - Details

• Message type: E = Error

• Message class: RSHDB - Messages in RSHDB

• Message number: 020

• Message text: Critical revision installed. Data might be corrupted during compression

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSHDB020 - Critical revision installed. Data might be corrupted during compression ?

  The SAP error message RSHDB020 indicates that there is a critical revision of the database that has been installed, and it raises concerns about potential data corruption during the compression process. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA environments where data compression is a routine operation.
  Cause:
  
  Critical Revision: The error suggests that a critical revision of the database has been installed. This could be due to an upgrade or patch that has not been fully tested or is known to have issues.
  Data Compression Issues: The compression process may have encountered problems, possibly due to inconsistencies in the data or issues with the database itself.
  Database Integrity: There may be underlying issues with the database integrity, which could lead to data corruption during operations like compression.
  
  Solution:
  
  Check SAP Notes: Look for relevant SAP Notes that address this specific error. SAP frequently releases notes that provide guidance on how to resolve known issues.
  Database Consistency Check: Perform a consistency check on the database to identify any potential issues. This can often be done using transaction codes like DB02 or DBACOCKPIT.
  Revert Changes: If the error occurred immediately after a recent upgrade or patch, consider reverting to the previous version if possible, or applying any subsequent patches that may resolve the issue.
  Data Backup: Ensure that you have a recent backup of your data before attempting any fixes. This is crucial to prevent data loss.
  Contact SAP Support: If the issue persists, it may be necessary to contact SAP Support for further assistance. They can provide specific guidance based on your system configuration and the nature of the error.
  Monitor Logs: Check the system logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP BW and HANA Documentation: Review the official SAP documentation for BW and HANA, as they often contain troubleshooting sections for common errors.
  Database Administration: Familiarize yourself with database administration best practices, especially regarding data integrity and compression processes.
  System Monitoring Tools: Utilize SAP monitoring tools to keep an eye on system performance and health, which can help preemptively catch issues before they escalate.
  
  By following these steps, you should be able to address the RSHDB020 error and mitigate any risks of data corruption in your SAP environment.