Dub says that my programme is a libruary

[Darren Drapkin via Digitalmars-d-learn]

I am working on a programme, the latest version of which, dub now 
says is a libruary, when previous versions are not.

What can I do to stop dub asserting that my programme is a 
libruary and compile it normally?
--
Yours &c
Darren Drapkin