This plug-in is enabled, but has encountered some problems

Went to create a new gallery on SM via LR 3.3, but when I clicked on the "Create gallery" menu, nothing ever came up. Eventually found the following:
How do I fix this?
Thanks,
Jay
Plug-in error log for plug-in at: C:\Program Files\Adobe\Adobe Photoshop Lightroom 3.3\SmugMug.lrplugin
**** Error 1
An error occurred while attempting to load this plug-in’s portion of the Export dialog.
?:0: attempt to index field 'SmugMug' (a nil value)
How do I fix this?
Thanks,
Jay
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Jay