Yes, thank you.
I've fixed it already, due to the help of Robert Murphy.
I think it's a good idea to add explanations to the SMW admin manual.
Maybe, we should consider to add explanation, to SMW user manual too.
For example, to add small section regarding namespaces to this article:
With the link to

On 4/27/08, S Page <> wrote:
Vladislav Novikov wrote:
I created custom namespace with ID = 130.
I'm trying to add semantic properties to a page under this namespace.

You probably have to adjust the array variable $smwgNamespacesWithSemanticLinks in SMW_Settings.php.  Something like

$smwgNamespacesWithSemanticLinks = array(
                     NS_MAIN => true,
            SMW_NS_TYPE_TALK => false, // add a comma on the end
            /* XX Also want semantics in my custom namespace */
                         130 => true

Let me know if that works, I added it to

=S Page