Hey Adrian, running into similar issue - can you please share how you got around this problem? Thanks! ... View more

that log looks like your OAUTH token expired -- that can happen if some time passes without it being used. Try setting the add-on up again. Another gotcha is that you might have a token of your own that isn't the one you want to use; we recommend using a different browser than you usually use with Box to make sure that you're getting a token for the service account instead of your personal one. ... View more

I converted your comment to an answer. Please mark it as the answer and upvote to help others find it. ... View more