Widget app from Twitter.com gives me unknown error

Widget app from Twitter.com gives me unknown error …

Warning: Invalid argument supplied for foreach() in /home2/green/public_html/SleepyJohnCollectAbles.com/wp-content/plugins/wp-twitter-timeline/wp-twitter-timeline.php on line 236

i got twitter widget app from here …
https://twitter.com/settings/widgets/new/custom

code i have plugged into my sidebar widget …
Tweets by @SnazzyLiveMusic
<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?’http’:’https’;if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+”://platform.twitter.com/widgets.js”;fjs.parentNode.insertBefore(js,fjs);}}(document,”script”,”twitter-wjs”);</script>

here’s site the twitter app is on; running under pagelines template
https://sleepyjohncollectables.com/

how do i get rid of the error?
thx for the help
vic ??