I've installed the tag-field-module extension, and implemented it EXACTLY as described in the readme. The CMS editor now throws the following error:
- [Warning] reset() [function.reset]: Passed variable is not an array or object at Line 105
in /.../ClassInfo.php
This seems like a popular plugin, so I can't believe I'm the only one who has encountered this. We have a workaround for now, but it's immensely frustrating.
This is similar to an error described in http://silverstripe.org/all-other-modules/show/10304 .