dcf ordering error

$eventargs = array('post_type' => 'event');
            slt_cf_get_posts_by_custom_first('date', $eventargs, 'ASC', true, 'post');


            foreach($events as $post) : setup_postdata($post); ?>
            <div id="event-summary">

                <div id="date"><?php echo slt_cf_field_value('date'); ?></div>
				<?php echo the_post_thumbnail('event'); ?>
				<?php echo the_title();?>
				<?php echo the_excerpt();?>
				</div><!-- #event-summary -->


			<?php endforeach; ?>

            </div><!-- #events -->