ORA-29657
        class defined in EXTERNAL NAME clause is used in another subtype
        
        
        Cause
        The supertype has an existing type that has the same value for the EXTERNAL NAME.
        Action
        Make sure the EXTERNAL NAME clause is unique among subtypes.
        
     
    
    
        ORA-29657
        class defined in EXTERNAL NAME clause is used in another subtype
        
        
        Cause
        The supertype has an existing type that has the same value for the EXTERNAL NAME.
        Action
        Make sure the EXTERNAL NAME clause is unique among subtypes.
        
     
    
    
        ORA-29657
        class defined in EXTERNAL NAME clause is used in another subtype
        
        
        Cause
        The supertype has an existing type that has the same value for the EXTERNAL NAME.
        Action
        Make sure the EXTERNAL NAME clause is unique among subtypes.