Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Assets\wp_is_serving_rest_request() in /hermes/bosnacweb07/bosnacweb07ag/b1985/dom.dinsood47099/wp_site_1605172257/wp-content/plugins/woocommerce-checkout-manager/jetpack_vendor/automattic/jetpack-assets/src/class-script-data.php:115 Stack trace: #0 /hermes/bosnacweb07/bosnacweb07ag/b1985/dom.dinsood47099/wp_site_1605172257/wp-content/plugins/woocommerce-checkout-manager/jetpack_vendor/automattic/jetpack-assets/src/class-script-data.php(89): Automattic\Jetpack\Assets\Script_Data::is_authenticated_rest_request() #1 /hermes/bosnacweb07/bosnacweb07ag/b1985/dom.dinsood47099/wp_site_1605172257/wp-includes/class-wp-hook.php(287): Automattic\Jetpack\Assets\Script_Data::render_script_data('') #2 /hermes/bosnacweb07/bosnacweb07ag/b1985/dom.dinsood47099/wp_site_1605172257/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters('', Array) #3 /hermes/bosnacweb07/bosnacweb07ag/b1985/dom.dinsood47099/wp_site_1605172257/wp-includes/plugin.php(478): WP_Hook->do in /hermes/bosnacweb07/bosnacweb07ag/b1985/dom.dinsood47099/wp_site_1605172257/wp-content/plugins/woocommerce-checkout-manager/jetpack_vendor/automattic/jetpack-assets/src/class-script-data.php on line 115