[Pharo-users] Problems getting a png image with ZnEasy

Hi all, When I try to do: ~~~ ZnEasy getPng: 'https://pbs.twimg.com/profile_images/3179579549/f83f0e935fb5eff6d967e37e1a3e...' ~~~ I get "MessageNotUnderstood: receiver of "bitShift:" is nil". Still I can browse the image in the web browser. Any hints? Cheers, Offray