Manifest can only have one author - error after latest update [closed]

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When I try to do a roscore after the latest update, I get an error saying that stack.xml "must have a single 'author' element". I had to go edit the /opt/ros/fuerte/share/ros/stack.xml file. Is this something I somehow screwed up, or does it need to be fixed in ROS?

Thanks, -Jon

(Here's the error... sorry about the formatting...)

File "/usr/local/lib/python2.7/dist-packages/rospkg-1.0.2-py2.7.egg/rospkg/manifest.py", line 404, in parse_manifest m.author = _check('author')(p, filename) File "/usr/local/lib/python2.7/dist-packages/rospkg-1.0.2-py2.7.egg/rospkg/manifest.py", line 67, in check raise InvalidManifest("Invalid manifest file [%s]: must have a single '%s' element"%(filename, name)) rospkg.manifest.InvalidManifest: Invalid manifest file [/opt/ros/fuerte/share/ros/stack.xml]: must have a single 'author' element Invalid tag: Cannot load command parameter [rosversion]: command [rosversion ros] returned with code [1].

Param xml is