ORA-13291
        conversion error between the specified unit and standard unit
        
        
        Cause
        Cannot convert the specified unit from/to standard unit for linear distance, angle, or area.
        Action
        Check the unit specification and respecify it.
        
     
    
    
        ORA-13291
        conversion error between the specified unit and standard unit
        
        
        Cause
        Cannot convert the specified unit from/to standard unit for linear distance, angle, or area.
        Action
        Check the unit specification and respecify it.
        
     
    
    
        ORA-13291
        conversion error between the specified unit and standard unit
        
        
        Cause
        Cannot convert the specified unit from/to standard unit for linear distance, angle, or area.
        Action
        Check the unit specification and respecify it.