Error thrown
Call to undefined function ctype_upper()
Fatal error: Uncaught Error: Call to undefined function ctype_upper() in /hermes/bosnacweb05/bosnacweb05bi/b82/nf.gmgweddingservices/public_html/car_club/wp-content/mu-plugins/endurance-page-cache.php:495
Stack trace:
#0 /hermes/bosnacweb05/bosnacweb05bi/b82/nf.gmgweddingservices/public_html/car_club/wp-includes/class-wp-hook.php(307): Endurance_Page_Cache->option_handler('jetpack_sync_ht...', Array, Array)
#1 /hermes/bosnacweb05/bosnacweb05bi/b82/nf.gmgweddingservices/public_html/car_club/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
#2 /hermes/bosnacweb05/bosnacweb05bi/b82/nf.gmgweddingservices/public_html/car_club/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#3 /hermes/bosnacweb05/bosnacweb05bi/b82/nf.gmgweddingservices/public_html/car_club/wp-includes/option.php(541): do_action('updated_option', 'jetpack_sync_ht...', Array, Array)
#4 /hermes/bosnacweb05/bosnacweb05bi/b82/nf.gmgweddingservices/public_html/car_club/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-connection/ in /hermes/bosnacweb05/bosnacweb05bi/b82/nf.gmgweddingservices/public_html/car_club/wp-content/mu-plugins/endurance-page-cache.php on line 495