This is the "InfKrt Concept" template. It should be called in the following format:

{{InfKrt Concept
|Context=
|prefLabel=
|altLabel=
|hiddenLabel=
|definition=
|inScheme=
|subject=
|instanceOf=
|broader=
|narrower=
|partOf=
|related=
|creator=
}}

Edit the page to see the template text.