ORA-07432
        unable to perform nested sleep
        
        
        Cause
        An attempt was made to make a process sleep when it was already sleeping.  This platform does not support this capability.
        Action
        Try the SLEEP command when the process is not sleeping.
        
     
    
    
        ORA-07432
        unable to perform nested sleep
        
        
        Cause
        An attempt was made to make a process sleep when it was already sleeping.  This platform does not support this capability.
        Action
        Try the SLEEP command when the process is not sleeping.
        
     
    
    
        ORA-07432
        unable to perform nested sleep
        
        
        Cause
        An attempt was made to make a process sleep when it was already sleeping.  This platform does not support this capability.
        Action
        Try the SLEEP command when the process is not sleeping.