Показывает такую ошибку.
Uncaught SyntaxError: Unexpected token <
И при переходе подчеркивает строчку с
<!doctype html>
Сама страничка
<!doctype html>
<html lang="en">
<head>
<!-- Google Tag Manager -->
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-WKBPN7L');</script>
<!-- End Google Tag Manager -->
<meta charset=utf-8>
<meta name=viewport content="width=device-width,initial-scale=1">
<meta http-equiv="Cache-Control" content="max-age=300, must-revalidate" />
<meta name="csrf-token" content="<?= csrf_token() ?>">
<title>Окна</title>
<link rel="preload" href="/css/app.css" as="style">
<link href="/css/app.css" rel="stylesheet">
<link href='<?= route('sitemap') ?>' rel='alternate' title='Sitemap' type='application/rss+xml'/>
</head>
<body>
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WKBPN7L"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- End Google Tag Manager (noscript) -->
<div id="app"></div>
<?php //if(app()->environment('production')): ?>
<? $mangoWidget = getMangoWidgetId(); ?>
<div id="js-backend-parameters" data-mango-widget-id="<?=$mangoWidget?>" data-yandex-metrika="<?=SITE_CONTACTS[getUrlPathFirstPart()]['yandexMetrika']?>"></div>
<?php //endif; ?>
<!-- <script type="text/javascript" src="/js/manifest.js"></script>
<script type="text/javascript" src="/js/vendor.js"></script> -->
<script type="text/javascript" src="/js/app.js" async></script>
</body>
</html>