Can't install plugin

[markodevv]

Can't seem to install it, getting this error on Pop!_OS 19.10 when i use :CocInstall coc-omnisharp

• ✗ coc-omnisharp /usr/bin/yarn install exited with 2
  ~ Using npm from: /usr/bin/yarn
  ~ Get info from https://registry.npmjs.org/
  ~ Downloading from https://registry.npmjs.org/coc-omnisharp/-/coc-omnisharp-0.0.
  ~ 26.tgz
  ~ Download progress 10.4%
  ~ Download progress 32.0%
  ~ Download progress 53.6%
  ~ Download progress 75.2%
  ~ Download progress 96.8%
  ~ Download progress 100.0%
  ~ Extension download at /tmp/coc-omnisharp-BTwKxE
  ~ Installing dependencies by: /usr/bin/yarn install --ignore-scripts --no-
  ~ lockfile --production.
  ~ Usage: yarn [options]
  ~
  ~ yarn: error: no such option: --ignore-scripts
  ~ /usr/bin/yarn install exited with 2

[yatli]

What's the version of your coc.nvim? I remember it switched from yarn to npm a good while ago.