Update displayed this error message…

All past updates with 3.7.1 were successful until this one was updating (Quick Cache)… Can’t access website to edit nor can it be displayed.

Fatal error: Uncaught exception ‘Exception’ with message ‘This version of Quick Cache requires PHP v5.3+.’ in /hermes/bosweb25c/b1456/ipg.yeahbabyycom/wp-content/plugins/quick-cache/quick-cache.php:19 Stack trace: #0 /hermes/bosweb25c/b1456/ipg.yeahbabyycom/wp-settings.php(203): include_once() #1 /hermes/bosweb25c/b1456/ipg.yeahbabyycom/wp-config.php(90): require_once(‘/hermes/bosweb2…’) #2 /hermes/bosweb25c/b1456/ipg.yeahbabyycom/wp-load.php(29): require_once(‘/hermes/bosweb2…’) #3 /hermes/bosweb25c/b1456/ipg.yeahbabyycom/wp-admin/admin.php(30): require_once(‘/hermes/bosweb2…’) #4 /hermes/bosweb25c/b1456/ipg.yeahbabyycom/wp-admin/index.php(10): require_once(‘/hermes/bosweb2…’) #5 {main} thrown in /hermes/bosweb25c/b1456/ipg.yeahbabyycom/wp-content/plugins/quick-cache/quick-cache.php on line 19

Just check again and website is not accessible, displays the above error message. Your assistance is truly appreciated, thank you.