This is the "Generate page properties template code" template. It should be called in the following format:
{{Generate page properties template code |Class= (text) class for which a "Class definition" page exists }}
Test
Some use of "" in your query was not closed by a matching "".
<noinclude> This is the '''''' template. It should be called in the following format: <pre> {{ }} </pre> </noinclude><includeonly>{{#set: }}</includeonly>