confirming the issue: extension conflict between LG Twitter (v.2.0.1) and FieldFrame (v.1.2.0)
can’t add additional rows to “FF matrix” in the publish form AND can’t add additional matrix cells in the “add/edit custom weblog field” interface.
no JS errors being reported and one (the first) row of the matrix still works. just can’t add new ones.
Joobs, head over to Brandon Kelly’s site and update Fieldframe to 1.3.3 (while you are there check out Wygwham (worth all the tea in China)). If the problem persists you could find the latest version of LG Twitter at http://github.com/leevigraham. If this doesn’t fix the issue start turning off other extensions…
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