Using opencart 2.1.0.1 Quick Edit Extension

Error received:
-------------------
MOD: Quick Edit
CODE: $data['cart'] = $this->load->controller('common/cart');
LINE: 165
REGEX: ~(<body.*>)~
NOT FOUND!

===================================
Script below causing above error:

<file path="catalog/controller/common/header.php">
<operation>
<search><![CDATA[
$data['cart'] = $this->load->controller('common/cart');
]]></search>
<add position="after"><![CDATA[
$user = new User($this->registry);
if ($this->config->get("quickedit_status") && $user->isLogged() && isset($this->request->get["route"])) {
$admin_url = HTTPS_SERVER . "admin/index.php?token=" . $this->session->data["token"];
if ($this->request->get["route"] == "product/product") {
$data["quickedit_href"] = $admin_url . "&route=catalog/product/edit&product_id=" . $this->request->get["product_id"];
} else if ($this->request->get["route"] == "product/category") {
$path_parts = explode("_", $this->request->get["path"]);
$data["quickedit_href"] = $admin_url . "&route=catalog/category/edit&category_id=" . array_pop($path_parts);
} else if ($this->request->get["route"] == "information/information") {
$data["quickedit_href"] = $admin_url . "&route=catalog/information/edit&information_id=" . $this->request->get["information_id"];
} else if ($this->request->get["route"] == "product/manufacturer/info") {
$data["quickedit_href"] = $admin_url . "&route=catalog/manufacturer/edit&manufacturer_id=" . $this->request->get["manufacturer_id"];
}
}
]]></add>
</operation>
</file>
<file path="catalog/view/theme/*/template/common/header.tpl">
<operation>
<search regex="true"><![CDATA[~(<body.*>)~]]></search>
<add position="after"><![CDATA[
<?php if (isset($quickedit_href)): ?>
<div id="quickedit">
<style type="text/css" scoped>
#quickedit {
position: fixed;
top: 0;
right: 0;
opacity: 0.7;
}
#quickedit a {
background-color: #6cf;
padding: 8px 16px;
display: block;
font-size: 14px;
color: #000;
border-bottom-left-radius: 5px;
}
</style>
<a href="<?php echo $quickedit_href; ?>">EDIT</a>
</div>
<?php endif; ?>
]]></add>
</operation>
</file>
</modification>