Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Extensions\PaymentButtons\add_action() in /nfs/aesop1/hw00/d18/uwefm/wordpress/wp-content/plugins/jetpack/extensions/blocks/payment-buttons/payment-buttons.php:49 Stack trace: #0 {main} thrown in /nfs/aesop1/hw00/d18/uwefm/wordpress/wp-content/plugins/jetpack/extensions/blocks/payment-buttons/payment-buttons.php on line 49