Fatal error: Uncaught Error: Call to undefined function woocommerce_store_api_register_update_callback() in /homepages/28/d92129381/htdocs/Smith-Olsen/wp-content/plugins/woocommerce-payments/includes/platform-checkout-user/class-platform-checkout-extension.php:23 Stack trace: #0 /homepages/28/d92129381/htdocs/Smith-Olsen/wp-content/plugins/woocommerce-payments/woocommerce-payments.php(332): Platform_Checkout_Extension->register_extend_rest_api_update_callback() #1 /homepages/28/d92129381/htdocs/Smith-Olsen/wp-includes/class-wp-hook.php(308): register_platform_checkout_extension('') #2 /homepages/28/d92129381/htdocs/Smith-Olsen/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #3 /homepages/28/d92129381/htdocs/Smith-Olsen/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /homepages/28/d92129381/htdocs/Smith-Olsen/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/Domain/Bootstrap.php(64): do_action('woocommerce_blo...') #5 /homepages/28/d92129381/htdocs/Smith-Olsen/wp-content/plugins in /homepages/28/d92129381/htdocs/Smith-Olsen/wp-content/plugins/woocommerce-payments/includes/platform-checkout-user/class-platform-checkout-extension.php on line 23