Twittier issue

I accidentally deleted the profile page, and when I went back to create a new one I get the following error in the header. This error doesn’t happen on any other page with an Ultimate Member shortcode.

Notice: Uninitialized string offset: 0 in /var/www/emeraldtradealliance.org/public_html/wp-content/plugins/wordpress-seo/frontend/class-twitter.php on line 476