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

{{Project
|Supercontext=
|Topcontext=
|Project type=
|Name=
|NameEn=
|NameFr=
|NameBe=
|Summary=
|SummaryEn=
|SummaryFr=
|SummaryBe=
|Start date=
|End date=
|Contact person=
|Imagename=
|Stakeholder=
|HZ theme=	
|SDG=
|Show summary=
|Show navigation tree=
|Create process and content pages=
|Show new page button=
|Show sub projects=
|Show participants=
|Show sources=
|Is homepage=
|Show edit button=
|Show VE button=
|Show sidebar=
|Show category label=
|Show title=
|EMM access control=
}}

Edit the page to see the template text.