Widgets and visual composer are not working

I'm not sure if this is even related but saving widgets doesn't seem to work. my visual page builder isnt working either... I asked another support forum and they told me this:

body: {error:authorization_required, message:An active access token must be used retrieve notifications.}
error: "authorization_required"
message: "An active access token must be used retrieve notifications."
code: 403
headers: [{name:Content-Type, value:application/json}]

Any ideas?