php error on Recent Tweets Widget

I keep getting this php error. It just started about a day ago.

Warning: Invalid argument supplied for foreach() in /home/lmechr/public_html/wp-content/plugins/recent-tweets-widget/widget.php on line 93

Can you help please. I am using the latest version of Recent Tweets Widget

Thank you

https://ww.wp.xz.cn/plugins/recent-tweets-widget/