Paper: 1.16.1 (Build #130)
Brewery: 2.1.1

When I start up the server, I get this error. I haven't run into any issues so far in using the plugin.
https://pastebin.com/6UsKGYF3

Is this Error still happening?

Looks like it is just an issue with the Updater Website where Brewery checks for updates. Nothing to worry about