BuddyPress.org

Hi there,
I am getting the following error on avatar upload, after I have chosen an image to upload and pressed “open” on the media screen. Also happens when I drop a file into the avatar uploader with drag and drop.
Has anybody got the same issue? How would I go about troubleshooting this? Is there a non minified version of the script somewhere?
The site is only local, so I cannot post a link…
Thanks,
Sascha

This is from the console in Chrome:

Uncaught TypeError: Cannot read property ‘add’ of undefined
(anonymous function) @ bp-plupload.min.js?ver=2.3.2.1:2j.each.j.forEach @ underscore.min.js?ver=1.6.0:5(anonymous function) @ bp-plupload.min.js?ver=2.3.2.1:2(anonymous function) @ plupload.full.min.js?ver=2.1.1:28(anonymous function) @ plupload.full.min.js?ver=2.1.1:13i @ plupload.full.min.js?ver=2.1.1:13(anonymous function) @ plupload.full.min.js?ver=2.1.1:13(anonymous function) @ plupload.full.min.js?ver=2.1.1:13i @ plupload.full.min.js?ver=2.1.1:13r @ plupload.full.min.js?ver=2.1.1:13t.extend.dispatchEvent @ plupload.full.min.js?ver=2.1.1:13t.extend.trigger @ plupload.full.min.js?ver=2.1.1:13(anonymous function) @ plupload.full.min.js?ver=2.1.1:28(anonymous function) @ plupload.full.min.js?ver=2.1.1:13