When updating to the latest version 1.3.11, the website crashed.

I turned on debug mode and the following is the error content:

Fatal error: Uncaught Error: Call to a member function isMobile() on null in /woocommerce-photo-reviews/frontend/reviews.php:21 Stack trace: #0 /woocommerce-multi-currency/includes/functions.php(33): VI_WOOCOMMERCE_PHOTO_REVIEWS_Frontend_Reviews->__construct() #1 /woocommerce-photo-reviews/includes/includes.php(38): vi_include_folder(‘/home/XXXXX/…’, ‘VI_WOOCOMMERCE_…’) #2 /woocommerce-photo-reviews/woocommerce-photo-reviews.php(52): require_once(‘/home/XXXXX/…’) #3 wp-includes/class-wp-hook.php(310): VI_WooCommerce_Photo_Reviews->check_environment(”) #4 wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array) #5 wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 wp-settings.php(495): do_action(‘plugins_l in /woocommerce-photo-reviews/frontend/reviews.php on line 21

Notice: The calling method of function is_embed is incorrect. Conditional tags have no effect if used before running the query. If you do this, the return value will simply be false. Check out Debugging WordPress for more information. (This message was added in version 3.1.0.) in wp-includes/functions.php on line 5905

Notice: The calling method of function is_search is incorrect. Conditional tags have no effect if used before running the query. If you do this, the return value will simply be false. Check out Debugging WordPress for more information. (This message was added in version 3.1.0.) in wp-includes/functions.php on line 5905