single.php error

Hello,

Thanks. Tried the code. still blank. Below is everything on the single.php code. Please check if you notice anything

<?php
/**
 * The Template for displaying all single posts.
 *
 * @package WordPress
 * @subpackage Pytheas
 * @since Pytheas 1.0
 */

get_header(); ?>

<?php while ( have_posts() ) : the_post(); ?>

    <header class="page-header">
        <h1 class="page-header-title"><?php the_title(); ?></h1>
        <nav class="single-nav clr">
                 <?php next_post_link('<div class="single-nav-left">%link</div>',<i class="icon-chevron-left">, '</i>’, false); ?>
               <?php previous_post_link('<div class="single-nav-right">%link</div>','<i class="icon-chevron-right">’,'</i>’, false); ?> 

        </nav><!-- .page-header-title -->
    </header><!-- .page-header -->

    <div id="primary" class="content-area span_16 col clr clr-margin">
		<div id="content" class="site-content" role="main">

    		<?php if ( !post_password_required() ) { ?>

                <ul class="meta single-meta clr">

<li><i class="icon-time"></i><?php echo get_the_date(); ?></li>
<li><i class="icon-folder-open"></i><?php the_category(' / '); ?></li>
                    <?php if( comments_open() ) { ?>
                      <li class="comment-scroll"><i class="icon-comment"></i> <?php comments_popup_link(__('Comment', 'wpex'), __('1 Comment', 'wpex'), __('% Comments', 'wpex'), 'comments-link', __('Comments closed', 'wpex')); ?>
                    <?php } ?>

<li><span class="icon-user"></span><?php the_author_posts_link(); ?></li>
                <!-- .meta -->

			<?php get_template_part('content', get_post_format() ); ?>

            <?php } ?>

            <article class="entry clr">
                <?php the_content(); ?>
            </article><!-- /entry -->

           <?php wp_link_pages( array( 'before' => '<div class="page-links clr">', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) ); ?>

            <?php if ( of_get_option('blog_tags', '1' ) =='1' ) : ?>
				<?php the_tags('<div class="post-tags clr">','','</div>'); ?>
			<?php endif; ?>

            <?php if ( of_get_option('blog_bio', '1' ) == '1' && get_the_author_meta( 'description' ) ) : ?>
				<?php get_template_part( 'author-bio' ); ?>
			<?php endif; ?>

            <?php if ( of_get_option('blog_related', '1' ) == '1' ) { ?>
            	<?php get_template_part( 'content', 'related-posts' ); ?>
            <?php } ?>

            <?php comments_template(); ?>

		</div><!-- #content -->
	</div><!-- #primary -->

<?php endwhile; ?>
<?php get_sidebar(); ?>
<?php get_footer(); ?>

thanks again

Thanks. will try this and revert.
how exactly do i use the backticks when inputing codes?