Doesn't work

single-forum.php

<?php
/**
 * @package WordPress
 * @subpackage Default_Theme
 */

get_header(); ?>

	<div class="container" id="main-content">
	
		<div class="row">

			<div class="threecol sidebar" id="left-sidebar">
				<?php get_sidebar('forum'); ?>
			</div>

			<div class="ninecol last entries" id="entries-wrap">
				<div id="bbpress-forums">
					
					<?php while ( have_posts() ) : the_post(); ?>

						<?php if ( bbp_user_can_view_forum() ) : ?>

							<?php bbp_breadcrumb( array( 'include_home' => false, 'include_root' => false ) ); ?>

							<?php if ( post_password_required() ) : ?>

								<?php bbp_get_template_part( 'form', 'protected' ); ?>

							<?php else : ?>

								<?php bbp_single_forum_description(); ?>

								<?php if ( bbp_get_forum_subforum_count() && bbp_has_forums() ) : ?>

									<?php bbp_get_template_part( 'loop', 'forums' ); ?>

								<?php endif; ?>

								<?php if ( !bbp_is_forum_category() && bbp_has_topics() ) : ?>

									<?php bbp_get_template_part( 'pagination', 'topics'    ); ?>

									<?php bbp_get_template_part( 'loop',       'topics'    ); ?>

									<?php bbp_get_template_part( 'pagination', 'topics'    ); ?>

									<?php bbp_get_template_part( 'form',       'topic'     ); ?>

								<?php elseif ( !bbp_is_forum_category() ) : ?>

									<?php bbp_get_template_part( 'feedback',   'no-topics' ); ?>

									<?php bbp_get_template_part( 'form',       'topic'     ); ?>

								<?php endif; ?>

							<?php endif; ?>

						<?php endif; ?>
					<?php endwhile; ?>

				</div>

			</div><!-- end .entries -->

		</div><!-- end .row-->

	</div><!-- end .container-->

<?php get_footer(); ?>