Problem using TextLayout Framework

Hi,

I have just download the .swc files while following the instruction on adobe site.

However, I cannot run any of the example included in the package.

I am getting around 15 errors copied below. To me it sounds like some issue with swc files, not sure though ??

Severity and Description    Path    Resource    Location    Creation Time    Id
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125820    28851
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125820    28852
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125820    28854
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125820    28855
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125820    28856
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125835    28857
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125835    28858
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125851    28859
1046: Type was not found or was not a compile-time constant: TextLine.        TextLayoutText    Unknown    1246630125851    28860
1046: Type was not found or was not a compile-time constant: TextBlock.        TextLayoutText    Unknown    1246630125820    28850
1046: Type was not found or was not a compile-time constant: TextBlock.        TextLayoutText    Unknown    1246630125820    28853
1046: Type was not found or was not a compile-time constant: GroupElement.        TextLayoutText    Unknown    1246630125820    28849
1046: Type was not found or was not a compile-time constant: ContentElement.        TextLayoutText    Unknown    1246630125804    28847
1046: Type was not found or was not a compile-time constant: ContentElement.        TextLayoutText    Unknown    1246630125820    28848

My code is this

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="horizontal">
   
    <mx:Script>
        <![CDATA[
            import flashx.textLayout.elements.SpanElement;
            import flashx.textLayout.elements.ParagraphElement;
            import flashx.textLayout.elements.TextFlow;
            import flashx.textLayout.formats.CharacterFormat;
           
            var textFlow:TextFlow= new TextFlow();
       
        ]]>
    </mx:Script>
   
</mx:Application>