Warning: Undefined variable $names in /data/wordpress/wp-content/themes/hello-theme-child/functions.php on line 537

Fatal error: Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array, null given in /data/wordpress/wp-content/themes/hello-theme-child/functions.php:537 Stack trace: #0 /data/wordpress/wp-content/themes/hello-theme-child/functions.php(537): array_unique() #1 /data/wordpress/wp-includes/class-wp-hook.php(324): bbloomer_disable_payment_by_product_type() #2 /data/wordpress/wp-includes/plugin.php(205): WP_Hook->apply_filters() #3 /data/wordpress/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(333): apply_filters() #4 /data/wordpress/wp-content/plugins/woocommerce-subscriptions/includes/gateways/class-wc-subscriptions-payment-gateways.php(146): WC_Payment_Gateways->get_available_payment_gateways() #5 /data/wordpress/wp-content/plugins/woocommerce-subscriptions/includes/class-wc-subscriptions-cart-validator.php(37): WC_Subscriptions_Payment_Gateways::one_gateway_supports() #6 /data/wordpress/wp-includes/class-wp-hook.php(324): WC_Subscriptions_Cart_Validator::maybe_empty_cart() #7 /data/wordpress/wp-includes/plugin.php(205): WP_Hook->apply_filters() #8 /data/wordpress/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(840): apply_filters() #9 /data/wordpress/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(814): WC_Form_Handler::add_to_cart_handler_simple() #10 /data/wordpress/wp-includes/class-wp-hook.php(324): WC_Form_Handler::add_to_cart_action() #11 /data/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #12 /data/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action() #13 /data/wordpress/wp-settings.php(717): do_action() #14 /data/wordpress/wp-config.php(95): require_once('...') #15 /data/wordpress/wp-load.php(50): require_once('...') #16 /data/wordpress/wp-blog-header.php(13): require_once('...') #17 /data/wordpress/index.php(17): require('...') #18 {main} thrown in /data/wordpress/wp-content/themes/hello-theme-child/functions.php on line 537