No Sidebars Defined

<!-- Right Column -->
		<div id="rcnt">

			<!-- Search form -->
			<div id="search" class="pngf">

				<form id="search_form" action="<?php bloginfo("url"); ?>" method="get">
					<input class="search_field" type="text" value="search..." onfocus="clS(1);" onblur="clS(0);"  name="s" id="s" />
					<input class="search_button" type="submit"  value="" id="searchsubmit" />
				</form>

			</div>

			<!-- Categories -->
			<div id="cats" class="pngf"> 

				<div class="categor pngf"></div>

                                <ul>
                                        <?php wp_list_cats('sort_column=name&optioncount=1&hierarchical=0'); ?>
                                </ul>

			</div>

			<div id="cats_end" class="pngf"></div>

			<!-- Recent Posts  -->
			<div class="stit">

				<div class="recp pngf"></div>

			</div>
			<?php
				$posts = get_posts('numberposts=4&orderby=post_date');
				foreach($posts as $post) {
					setup_postdata($post);
					echo '<a class="pl" href="' . get_permalink() . '">' . get_the_title() . '</a>';
				}
				$post = $posts[0];
			?>

			<!-- Recent Comments  -->
			<div class="stit">

				<div class="recc pngf"></div>

			</div>
			<?php recent_comments(); ?>

		</div>

The side bar code is here.. whats wrong in it?? please some one can tell