Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Assets\wp_is_serving_rest_request() in /homepages/42/d683606112/htdocs/clickandbuilds/FSAShops/wp-content/plugins/woocommerce-payments/vendor/automattic/jetpack-assets/src/class-script-data.php:113 Stack trace: #0 /homepages/42/d683606112/htdocs/clickandbuilds/FSAShops/wp-content/plugins/woocommerce-payments/vendor/automattic/jetpack-assets/src/class-script-data.php(88): Automattic\Jetpack\Assets\Script_Data::is_authenticated_rest_request() #1 /homepages/42/d683606112/htdocs/clickandbuilds/FSAShops/wp-includes/class-wp-hook.php(307): Automattic\Jetpack\Assets\Script_Data::render_script_data() #2 /homepages/42/d683606112/htdocs/clickandbuilds/FSAShops/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters() #3 /homepages/42/d683606112/htdocs/clickandbuilds/FSAShops/wp-includes/plugin.php(476): WP_Hook->do_action() #4 /homepages/42/d683606112/htdocs/clickandbuilds/FSAShops/wp-includes/script-loader.php(2108): do_action() #5 /homepages/42/d6836061 in /homepages/42/d683606112/htdocs/clickandbuilds/FSAShops/wp-content/plugins/woocommerce-payments/vendor/automattic/jetpack-assets/src/class-script-data.php on line 113