White screen of death
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When we add the recommended code in <body> section
<!-- Google Tag Manager (noscript) --> <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-XXXX" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <!-- End Google Tag Manager (noscript) -->
the website shows a white screen. The server error log then throws this line.
Got error 'PHP message: PHP Warning: Cannot modify header information - headers already sent by (output started at /***/public_html/wp-includes/script-loader.php:2785) in /***/public_html/wp-content/plugins/tag-manager-header-body-foo',
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Viewing 3 replies - 1 through 3 (of 3 total)
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