DW Twitter error log

This plugin is producing the following error log:

  [23-Jan-2014 17:24:56 UTC] PHP Warning: extract() expects parameter 1 to be array, null given in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 161 [23-Jan-2014 17:24:56 UTC] PHP Warning: Missing argument 1 for dw_twitter_query_Widget::get_tweets_bearer_token(), called in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 187 and defined in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 129 [23-Jan-2014 17:24:56 UTC] PHP Warning: Missing argument 2 for dw_twitter_query_Widget::get_tweets_bearer_token(), called in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 187 and defined in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 129 [23-Jan-2014 17:24:56 UTC] PHP Warning: Missing argument 1 for dw_twitter_query_Widget::get_tweets_bearer_token(), called in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 187 and defined in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 129 [23-Jan-2014 17:24:56 UTC] PHP Warning: Missing argument 2 for dw_twitter_query_Widget::get_tweets_bearer_token(), called in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 187 and defined in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 129 [23-Jan-2014 17:24:56 UTC] PHP Warning: Missing argument 1 for dw_twitter_query_Widget::get_tweets_bearer_token(), called in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 187 and defined in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 129 [23-Jan-2014 17:24:56 UTC] PHP Warning: Missing argument 2 for dw_twitter_query_Widget::get_tweets_bearer_token(), called in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 187 and defined in /home/..../public_html/wp-content/plugins/dw-twitter/dw-twitter.php on line 129