This is the "SI Project" template. It should be called in the following format:
{{SI Project |Supercontext= |Topcontext= |Project type= |Name= |Start date= |End date= |SI domein= |SI domein anders= |SI activiteit= |SI activiteit anders= |Summary= |Address= |House number= |Postal code= |City= |Contact= |Phone= |Mail= |Hyperlink= |Show info= }}
Edit the page to see the template text.