PRGO-02406
        Query to retrieve the number of redo log members from V$STANDBY_LOG for database "{0}" failed.
{1}
        
        
        Cause
        An attempt to upgrade a database with zero downtime failed because a query to retrieve the number of redo log members from V$STANDBY_LOG failed. The accompanying messages provide detailed failure information.
        Action
        Review the accompanying messages, resolve the indicated problems, and then retry the operation.
        
     
    
    
        PRGO-02406
        Query to retrieve the number of redo log members from V$STANDBY_LOG for database "{0}" failed.
{1}
        
        
        Cause
        An attempt to upgrade a database with zero downtime failed because a query to retrieve the number of redo log members from V$STANDBY_LOG failed. The accompanying messages provide detailed failure information.
        Action
        Review the accompanying messages, resolve the indicated problems, and then retry the operation.
        
     
    
    
        PRGO-02406
        Query to retrieve the number of redo log members from V$STANDBY_LOG for database "{0}" failed.
{1}
        
        
        Cause
        An attempt to upgrade a database with zero downtime failed because a query to retrieve the number of redo log members from V$STANDBY_LOG failed. The accompanying messages provide detailed failure information.
        Action
        Review the accompanying messages, resolve the indicated problems, and then retry the operation.