How To Fix RSO851 - Upgrade is running (phase &1). You cannot change objects until complete.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO - BW Repository

• Message number: 851

• Message text: Upgrade is running (phase &1). You cannot change objects until complete.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSO851 - Upgrade is running (phase &1). You cannot change objects until complete. ?

  The SAP error message RSO851 indicates that an upgrade process is currently running in the system, and as a result, you cannot make changes to objects until the upgrade is complete. This message is typically encountered in the context of SAP BW (Business Warehouse) or other SAP systems during a system upgrade or maintenance activity.
  Cause:
  
  Ongoing Upgrade Process: The primary cause of this error is that an upgrade or a similar maintenance task is currently in progress. During this time, the system locks certain objects to ensure data integrity and consistency.
  Long-running Processes: Sometimes, the upgrade process may take longer than expected due to various factors such as system performance, data volume, or issues encountered during the upgrade.
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait until the upgrade process is completed. You can monitor the progress of the upgrade through transaction codes like SM37 (Job Monitoring) or SM21 (System Log) to check for any issues or the status of the upgrade.
  Check Upgrade Logs: If you have access, check the upgrade logs for any errors or warnings that might indicate why the process is taking longer than expected.
  Contact Basis Team: If the upgrade seems to be stuck or taking an unusually long time, contact your SAP Basis team or system administrator. They can provide insights into the upgrade status and take necessary actions if there are issues.
  Avoid Concurrent Changes: Ensure that no other users or processes are attempting to make changes to the system while the upgrade is in progress.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM37: Job Monitoring
  SM21: System Log
  ST22: Dump Analysis
  SMD: SAP Solution Manager Diagnostics
  
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions related to the upgrade process.
  Documentation: Review SAP documentation regarding system upgrades and maintenance to understand the expected behavior and best practices during such processes.
  
  In summary, the RSO851 error is a protective measure to ensure system integrity during upgrades. The best course of action is to wait for the upgrade to complete and monitor its progress.