I think I have the same problem on jts.glezer.co.il (it’s my dev site):
Warning: require_once(/home/yaagle/jts.glezer.co.il/wp-content/themes/customizr/inc/class-fire-widgets.php): failed to open stream: No such file or directory in /home/yaagle/jts.glezer.co.il/wp-content/themes/customizr/inc/init.php on line 175
Fatal error: require_once(): Failed opening required ‘/home/yaagle/jts.glezer.co.il/wp-content/themes/customizr/inc/class-fire-widgets.php’ (include_path=’.:/usr/local/lib/php:/usr/local/php5/lib/pear’) in /home/yaagle/jts.glezer.co.il/wp-content/themes/customizr/inc/init.php on line 175