Error on website

​Hello, my homepage has disappeared as I have this error. Can you please fix it, my site is www.themoneytea.com. Thank you.

PHP Notice: Undefined index: WP_Widget_Recent_Comments in /srv/htdocs/wp-content/themes/theissue/inc/admin/welcome/fuelthemes.php on line 289

Hi,

Contact with your purchase item author hope they will helped!

Thanks!