Huh, this could be a brand new bug in the composer asset plugin. I'll review this soon.
This has now been fixed. There was a mistake in the release package. Try downloading it again and replacing the invalid package with the fixed one.
info@elgg.org
Security issues should be reported to security@elgg.org!
©2014 the Elgg Foundation
Elgg is a registered trademark of Thematic Networks.
Cover image by RaĆ¼l Utrera is used under Creative Commons license.
Icons by Flaticon and FontAwesome.