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Fatal error: Uncaught Error: Call to a member function get_id() on null in /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/themes/learts/woocommerce/add-to-wishlist-button.php:38 Stack trace: #0 /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/plugins/yith-woocommerce-wishlist/includes/functions-yith-wcwl.php(170): include() #1 /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/themes/learts/woocommerce/add-to-wishlist.php(23): yith_wcwl_get_template() #2 /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/plugins/yith-woocommerce-wishlist/includes/functions-yith-wcwl.php(170): include('/var/www/vhosts...') #3 /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/plugins/yith-woocommerce-wishlist/includes/class-yith-wcwl-shortcode.php(918): yith_wcwl_get_template() #4 /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/plugins/litespeed-cache/thirdparty/yith-wishlist.cls.php(129): YITH_WCWL_Shortcode::add_to_wishlist() #5 /var/www/vhosts/clarityonline.gr/httpdocs/wp-includes/class-wp-hook.php(324): LiteSpeed\Thirdparty\Yith_Wishlist::load_add_to_wishlist() #6 /var/www/vhosts/clarityonline.gr/httpdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #7 /var/www/vhosts/clarityonline.gr/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action() #8 /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/plugins/litespeed-cache/src/esi.cls.php(683): do_action() #9 /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/plugins/litespeed-cache/tpl/esi.tpl.php(4): LiteSpeed\ESI->load_esi_block() #10 /var/www/vhosts/clarityonline.gr/httpdocs/wp-includes/template-loader.php(106): include('/var/www/vhosts...') #11 /var/www/vhosts/clarityonline.gr/httpdocs/wp-blog-header.php(19): require_once('/var/www/vhosts...') #12 /var/www/vhosts/clarityonline.gr/httpdocs/index.php(17): require('/var/www/vhosts...') #13 {main} thrown in /var/www/vhosts/clarityonline.gr/httpdocs/wp-content/themes/learts/woocommerce/add-to-wishlist-button.php on line 38