Fatal error: Uncaught Error: Class "WPMailSMTP\Vendor\ParagonIE\ConstantTime\Base64" not found in /var/www/html/app/plugins/wp-mail-smtp/vendor_prefixed/paragonie/constant_time_encoding/src/Base64DotSlash.php:35 Stack trace: #0 {main} thrown in /var/www/html/app/plugins/wp-mail-smtp/vendor_prefixed/paragonie/constant_time_encoding/src/Base64DotSlash.php on line 35