[Plugin: TweetOnPost] Oauth Error

Hi there,

when I try to add my Twitter account I receive this error…

Warning: Missing argument 3 for OAuthConsumer::OAuthConsumer(), called in /web/htdocs/www.indievault.it/home/wp-content/plugins/flattr/oAuth/flattr_rest.php on line 28 and defined in /web/htdocs/www.indievault.it/home/wp-content/plugins/tweetonpost/OAuthConsumer.php on line 33

Warning: Missing argument 4 for OAuthConsumer::OAuthConsumer(), called in /web/htdocs/www.indievault.it/home/wp-content/plugins/flattr/oAuth/flattr_rest.php on line 28 and defined in /web/htdocs/www.indievault.it/home/wp-content/plugins/tweetonpost/OAuthConsumer.php on line 33

Actually I’ve WP 3.1 and TweetonPost 1.81

http://wordpress.org/extend/plugins/tweetonpost/