This is a known problem.

I am assuming you are using Pharo Launcher, which gets the latest Pharo 7.0.4 which is broken, while the released (blessed) 7.0.4 is still OK.

curl get.pharo.org/70 | bash

gives you the correct one.

> On 26 Oct 2019, at 20:48, Hern��n Morales Durand <hernan.morales@gmail.com> wrote:
>
> Hello Eric,
>
> I couldn't reproduce it on Linux, all tests pass ok.�� Are you using Pharo 7? Could you post how you're installing it?
> The only thing which seems "strange" are three Zn test methods overrides, but after merging them no problems.
>
> Cheers
>
> Hern��n
>
>
> El s��b., 26 oct. 2019 a las 15:24, Eric Gade (<eric.gade@gmail.com>) escribi��:
> Hello all,
>
> I'm attempting to install the OpenAPI package from Github via metacello and am experiencing an error I'm having trouble wrapping my head around.
>
> The package itself requires nothing exotic in terms of dependencies, and seems to be pulling in Zinc from correct sources in the baseline.
>
> The error I'm seeing is a DNU on�� ZnBufferedReadWriteStream >> #defaultBufferSize.�� This is odd because it seems to be called from ZnBufferedReadWriteStream >> on:
>
> You can find my error stack in this Github issue.
>
> Thanks!
>
> --
> Eric