OwlCyberSecurity - MANAGER

Edit File: NullSchema.php

<?php declare(strict_types = 1); namespace MailPoet\Validator\Schema; if (!defined('ABSPATH')) exit; use MailPoet\Validator\Schema; // See: https://developer.wordpress.org/rest-api/extending-the-rest-api/schema/#primitive-types class NullSchema extends Schema { protected $schema = [ 'type' => 'null', ]; }