Missing ID in comment wrapper breaks node link

The comment links added to the bottom of nodes were broken because of a missing ID attribute in the comment-wrapper.tpl.php.

If you overrode Zen’s default comment-wrapper.tpl.php template, you need to make the following change to your template:

Before:

<section class="comments <?php print $classes; ?>"<?php print $attributes; ?>>

After:

<section id="comments" class="comments <?php print $classes; ?>"<?php print $attributes; ?>>