@phit I'll give that a go, thanks!
Edit: solved my issue, thanks! However I'm still curious as to what caused the issue in the first place...
Failed to lookup view "admin/plugins/google-adsense" in views directory "/home/cl4y.9.9.9/www/nodebb/build/public/templates"
How to fix .?
./nodebb stop ./nodebb build ./nodebb start