With the attach files custom field in EasySocial events, I seem to get 2 buttons (albeit styled differently with different text) that seem to do exactly the same thing... that is allow for a new file to be uploaded.
See screenshot...
If you can replicate this on your test site, it seems one of them can be removed to tidy things up!
See screenshot...
If you can replicate this on your test site, it seems one of them can be removed to tidy things up!