PDF Not Working

Dear Jake,
Sorry but I am at a loss I am using Avada Theme and have put the following code in child function.php theme but all I get on submit of the form is is message saying ” Form ID and Lead ID are required”

The id of the form is 2

There does not seem to be any new pdf created on the server, can you help as I am at a bit of a loss

Iam using GF 1.7.5 and the latest version 2.2.3 of GF PDF Extended. The site is at https://www.psweb-test4.com/?page_id=157

<?php

function gfpdfe_create_and_attach_pdf($notification, $form, $entry)
{

/*
* Set the PDF name here or leave blank to use the default.
* Example: $PDF_name = ‘My File.pdf’;
*/
$PDF_name = ”;

/*
* Use a custom template or leave blank to use the default.
* The template file needs to be in your active theme’s PDF_EXTENDED_TEMPLATES folder before referencing below
* Example: $custom_template_name = ‘my-custom-template.php’;
* Default template options: default-template.php, default-template-two-rows.php, default-template-no-style.php
*/
$template_name = ‘default-template.php’;

/*
* Set data used to determine if PDF needs to be created and attached to notification
* Don’t change anything here.
*/
$notification_name = $notification[‘name’];
$notification_id = $notification[‘id’];
$form_title = $form[‘title’];
$form_id = $entry[‘form_id’];
$user_id = $entry[‘id’];
$folder_id = $form_id.$user_id.’/’;

/* GENERATE AND EMAIL PDF
* Do we want to create and send a PDF for this form?
* You can match the form ID or the form title
* Example: if($form_id == 3 || $form_title == ‘My Custom Form’)
*/
if ($form_id == 2) {
/*
* Get ready to create the PDF file
*/
require PDF_PLUGIN_DIR . ‘render_to_pdf.php’;
$PDF_name = (strlen($PDF_name) > 0) ? $PDF_name : get_pdf_filename($form_id, $user_id);
$pdf_arguments = array(
‘pdfname’ => $PDF_name,
‘template’ => $template_name,
‘return’ => true
);

/* generate and save default PDF */
$filename = PDF_Generator($form_id, $user_id, $pdf_arguments);

/* ATTACH PDF TO EMAIL
* As of GF 1.7 notifications aren’t limited to admin and user.
* We now need to match the notification we would like to attach the file to instead of using gform_admin_notification_attachments and gform_user_notification_attachments.
* You can match against the name of your notification
* Example: if($notification_name == ‘Admin – Notify admin user’)
*/
if ($notification_name == ‘Admin Notification’ || $notification_name == ‘User – Notify User’) {
$attachment_file = PDF_SAVE_LOCATION . $folder_id . $PDF_name;
$notification[‘attachments’][] = $attachment_file;
}
}
return $notification;
}

add_filter(‘gform_notification’, ‘gfpdfe_create_and_attach_pdf’, 10, 3);

?>

https://www.ads-software.com/extend/plugins/gravity-forms-pdf-extended/