[html5] Validator error: End tag for body seen but there were unclosed elements.

[Pablo / Silvasonic]

Hi everyone, I've looked around for an answer to little avail, including the
whatwg archives and the forums. Does anyone know what's going on here?
http://html5.validator.nu/?doc=http%3A%2F%2Fsilvasonic.com%2Ftest.php&showimagereport=yes&showsource=yes

Thanks in advance!

PS: it seems like a very common mistake / error,
http://philip.html5.org/data/errors.html
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