Error installing in Mac OS Mojave

[cacique]

I trying to install AZK in OS Mojave.

We use the Default installation method:
brew install azukiapp/azk/azk

We get this Output

$ brew install azukiapp/azk/azk
==> Tapping azukiapp/azk
Cloning into '/usr/local/Homebrew/Library/Taps/azukiapp/homebrew-azk'...
remote: Enumerating objects: 8, done.
remote: Counting objects: 100% (8/8), done.
remote: Compressing objects: 100% (8/8), done.
remote: Total 8 (delta 0), reused 3 (delta 0), pack-reused 0
Unpacking objects: 100% (8/8), done.
Error: Invalid formula: /usr/local/Homebrew/Library/Taps/azukiapp/homebrew-azk/Formula/azk-rc.rb
azk-rc: unknown version :mountain_lion
Error: Invalid formula: /usr/local/Homebrew/Library/Taps/azukiapp/homebrew-azk/Formula/azk.rb
azk: unknown version :mountain_lion
Error: Cannot tap azukiapp/azk: invalid syntax in tap!

Further info

a. Which OS / distro?
Mac OS Mojave

b. Which VirtualBox version?
Version 6.0.8 r130520 (Qt5.6.3)

c. Can you provide us your Azkfile.js?
not for now :-/

Thanks in advance!

[kurtferreira]

Experiencing the same issue here. Have you managed to resolve it, and if so would you mind elaborating?