How To Fix RSM252 - Backup copy contains errors; highest compressed request is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 252

• Message text: Backup copy contains errors; highest compressed request is missing

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 RSM252 - Backup copy contains errors; highest compressed request is missing ?

  The SAP error message RSM252, which states "Backup copy contains errors; highest compressed request is missing," typically occurs in the context of the SAP BW (Business Warehouse) system when there are issues with the data backup or data transfer processes. This error indicates that the backup copy of the data is incomplete or corrupted, specifically that the highest compressed request (which is usually the most recent or significant data request) is missing.
  Causes:
  
  Incomplete Data Transfer: The data transfer process may have been interrupted or failed, leading to an incomplete backup.
  Corrupted Backup: The backup file may be corrupted due to system crashes, network issues, or hardware failures.
  Data Request Issues: The specific data request that is supposed to be backed up may not have been executed properly or may have encountered errors during processing.
  System Configuration Issues: Incorrect settings in the data transfer or backup configuration can lead to this error.
  
  Solutions:
  
  Check Data Transfer Process: Review the data transfer process logs to identify any errors or interruptions. Ensure that all data requests have been executed successfully.
  Re-run Data Requests: If specific data requests are missing or incomplete, re-run those requests to ensure that the data is correctly loaded into the system.
  Restore from a Valid Backup: If the current backup is corrupted, consider restoring from a previous valid backup if available.
  Check System Logs: Look into the system logs (transaction SM21) for any related errors that might provide more context on what went wrong during the backup process.
  Adjust Backup Settings: Review and adjust the settings for the data backup process to ensure that they are correctly configured.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to monitor and manage data requests and backups.
  SAP BW Documentation: Refer to the official SAP BW documentation for best practices on data loading and backup processes.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.