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HI,

Having just installed attribute_fu I'm getting the error ArgumentError in DogsController#new Unknown key(s): attributes, discard_if I assume this is coming from my model has_many parameters            :attributes => true,            :discard_if => proc { |upload| upload.photo_file_size.nil? I can only assume that I need an include or some path option somewhere or I havent set up attribute_fu properly?