Aqui fica o comments.php para verificarem se há algum problema
<?php
/*
* @ Comments.php credit to Twenty 11 WordPress theme - http://wordpress.org/extend/themes/twentyeleven
* @ Modified by www.wpexplorer.com
*/
/* If a post password is required or no comments are given and comments/pings are closed, return. */
if ( post_password_required() || ( !have_comments() && !comments_open() && !pings_open() ) )
return;
?>
<div id="commentsbox" class="clr">
<div id="comments" class="comments-area">
<?php // You can start editing here -- including this comment! ?>
<?php if ( have_comments() ) : ?>
<h3 class="heading-border heading"><span><?php comments_popup_link(__('Leave a comment', 'wpex'), __('This article has 1 comment', 'wpex'), __('This article has % comments', 'wpex'), 'comments-link', __('Comments are currently closed', 'wpex')); ?></span></h3>
<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : ?>
<nav role="navigation" id="comment-nav-above" class="site-navigation comment-navigation">
<h1 class="assistive-text"><?php echo __('Comment Navigation','wpex'); ?></h1>
<div class="nav-previous"><?php previous_comments_link( '←'. __('Older Comments','wpex') ); ?></div>
<div class="nav-next"><?php next_comments_link(__('Newer Comments','wpex') .'→'); ?></div>
</nav><!-- /coment-nav-above -->
<?php endif; ?>
<ol class="commentlist">
<?php wp_list_comments( array( 'callback' => 'wpex_comments_callback' ) ); ?>
<!-- /commentlist -->
<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : ?>
<nav role="navigation" id="comment-nav-below" class="site-navigation comment-navigation">
<h1 class="assistive-text"><?php echo __('Comment Navigation','wpex'); ?></h1>
<div class="nav-previous"><?php previous_comments_link( '←'. __('Older Comments','wpex') ); ?></div>
<div class="nav-next"><?php next_comments_link(__('Newer Comments','wpex') .'→'); ?></div>
</nav><!-- /coment-nav-below -->
<?php endif; ?>
<?php endif; ?>
<?php if (!comments_open() && '0' != get_comments_number() && post_type_supports( get_post_type(), 'comments' ) ) : ?>
<?php /* <p class="nocomments"><?php _e( 'Comments are closed.', 'wpex' ); ?></p> */ ?>
<?php endif; ?>
<?php
//important variables
$commenter = wp_get_current_commenter();
$req = get_option( 'require_name_email' );
$aria_req = ( $req ? " aria-required='true'" : '' );
//custom fields callback
$fields = array(
'author' => '<input id="author" name="author" type="text" placeholder="' . __('Name','wpex') . '*" value="' . esc_attr( $commenter['comment_author'] ) . '" size="30"' . $aria_req . ' />',
'email' => '<input id="email" name="email" type="text" placeholder="' . __('Email','wpex') . '*" value="' . esc_attr( $commenter['comment_author_email'] ) . '" size="30"' . $aria_req . ' />',
'url' => '<input id="url" name="url" type="text" placeholder="' . __('Website','wpex'). '" value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" />',
);
//custom comment form output
$comments_args = array(
'fields' => $fields,
'title_reply'=> __('Leave a Reply','wpex'),
'comment_field' => '<p class="comment-form-comment"><textarea id="comment" name="comment" aria-required="true" rows="10" placeholder=""></textarea></p>',
'must_log_in' => '<p class="must-log-in"><a href="' . wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ) . '">'. __('Log In','wpex') .'</a></p>',
'logged_in_as' => '',
'comment_form_top' => '',
'comment_notes_after' => '',
'comment_notes_before' => '',
'cancel_reply_link' => __('Cancel Reply','wpex'),
'label_submit' => __('Submit Comment','wpex')
);
//show comment form
comment_form($comments_args); ?>
</div><!-- /comments -->
</div><!-- /commentsbox -->
