Why?

If you use Vanilla+ v2.4.1 or earlier, you'll notice that CYNHUD causes a COMPILE ERROR.
To fix this, please either:

• Use full Northstar.
• Disable CYNHUD.

The reason why this happens is a missing file in Vanilla+. I spoke to Cyn (the developer) and they said that they'll fix this in the next release (v2.4.2). I have provided instructions on fixing this error yourself below.

Tech jargon: why this happens, advanced

This mod uses an auto-update checker function that uses Northstar's HTTP API. When rSquirrel tries doing this, it first sees a type from the missing file (sh_ns_http_requests.gnut), HttpRequestResponse. It doesn't know what to do (because the file is missing) and throws the COMPILE ERROR.

Manual fix: may be hard for average user

Cyn also noted that they expect to have the patch ready soon.
Add the following code in Vanilla+'s mod.json (inside the mod's folder), below the part that says "safeio". Also, add a comma to the end of the closing bracket ( } ) for the "safeio" section.

  {
    "Path": "sh_ns_http_requests.gnut",
    "RunOn": "CLIENT || SERVER || UI"
  }

Then, grab the file sh_ns_http_requests.gnut from the latest release of CYNHUD from GitHub and place it in the folder scripts/vscripts.