I installed your nice plugin, it work fine.
But now, i can't use the preview for my article or pages, i get this error message :
Warning: Cannot modify header information - headers already sent by (output started at /home/chezmatf/public_html/wp-content/plugins/addthis/addthis_social_widget.php:1388) in /home/chezmatf/public_html/wp-includes/pluggable.php on line 866
I'am using wordpress 3.3.1 (french version).
Thanks for your help!
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