I've been trying to install my GTM code in my Contao site, with no luck. I found this link, which gives the instructions:
Since the Google Tag Manager immediately after the opening <body>to be integrated tag, please edit the file templates / tao / fe_page.html5 and paste the tag manager code immediately after the line <?php $this->block('body') ?>a.
I've done just that, but the problem is in my fe_page.html5 file when I add the snippet below that line, it disappears after trying to save it. I have no idea why, so the code ends up being not modified. I have tried in both Chrome and Firefox, and and I am on CMS open source 3.3.6
Thanks in Advance!
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