Fatal error on Hosted Theme

After some time i logged in to my website http://www.nobleeyisi.org and found this error message
Warning: require_once(/home1/dutystan/public_html/wp-content/themes/customizr/inc/class-fire-widgets.php): failed to open stream: No such file or directory in /home1/dutystan/public_html/wp-content/themes/customizr/inc/init.php on line 175

Fatal error: require_once(): Failed opening required ‘/home1/dutystan/public_html/wp-content/themes/customizr/inc/class-fire-widgets.php’ (include_path=’.:/opt/php54/lib/php’) in /home1/dutystan/public_html/wp-content/themes/customizr/inc/init.php on line 175

I cant figure how to tackle the issue.
please ill love if my request is speedily resolved as i have full assurance in your team to deliver.
thanks Customizr team!