Have you published your changes?  If so, wait an hour for the changes to take effect.  If not, go to "My Apps" and click the "Publish" button.

[quote user="Eric"] [quote user="Brian"]  Can you try it again and let me know if it works? [/quote]   Since Igor's comments are on the terse side, I'll ellaborate on the issue (which is still occuring).  Note:  Our app has not yet been published. When using the "Upload App ...

[quote user="Igor"] The XML: <Module> <ModulePrefs title="Test" height="500" description="dev" thumbnail=""/> <Content type="url" view="canvas" href="http://myspacedev.foo.com/canvas.html"/> <Content type="url" view="home" ...

[quote user="Daniel"] I have changed my langs to: <ModulePrefs ... > <Locale lang="pt" country="ALL" messages="http://www.imusicfactory.com/opensocial/web/locale/pt_ALL.xml"/> <Locale country="ALL" ...

[quote user="Daniel"] Hi!  I'm also getting this same problem: The XML document provided does not conform to the XSD. The 'summary' attribute is not declared. The XML document provided does not conform to the XSD. The 'icon' attribute is not declared   Actually those attributes are in the ...

[quote user="Pollection"]  according to the documentation (http://developer.myspace.com/community/myspace/appXmlSpec.aspx) the icon element is ignored. How do we specify the icon? We use thumbnail for the 64x64 version but still everytime we refresh the 16x16 version disappears. [/quote]  The Icon element is now supported ...

The document is slightly out of date and is in the process of being updated.

[quote user="jDavid"]  if it is not supported, wouldn't make sense than to say that the "required feature" is unavailble when you submit the script? [/quote] It isn't supported and therefore it doesn't mean it should throw an error.  An informational message is displayed indicating that it will be ...

[quote user="Pollection"] It looks like the XML spec is down. It has been for more than 12 hours now. When will it come back online?   Also, the urls referenced in <Content> tags were used to be fetched and their content placed in the source section for the corresponding containers. It looks like something changed over the ...

I'm sorry, but this is the wrong forum for this.  This forum is specifically about creating apps based on an XML file hosted publicly on the internet.  Try checking with the "Testing and Support" forum.