plugin problems

Hi,

You may try to post your issue here :
http://wordpress.org/support/plugin/gd-star-rating#postform

Or downgrade the version with the previous version you had before :
http://wordpress.org/extend/plugins/gd-star-rating/developers/

1.9.20 release
http://downloads.wordpress.org/plugin/gd-star-rating.1.9.20.zip

1.9.18 release
http://downloads.wordpress.org/plugin/gd-star-rating.1.9.18.zip

1.9.17 release
http://downloads.wordpress.org/plugin/gd-star-rating.1.9.17.zip