BuddyPress.org

hello all i am getting this error on my site,

Fatal error: Call to a member function format() on boolean in /usr/www/aacts/public/site/bmmv3/wp-content/themes/blackfyre/buddypress/members/single/profile.php on line 65

and here is the section with line 65

<!--age-->
	            <?php if(get_the_author_meta('age', $a_id) && get_the_author_meta('age', $a_id) != 'none'){ ?>

	            <li><strong><?php esc_html_e('AGE: ','blackfyre');?></strong>
	                 <?php
                    $age = get_the_author_meta('age', $a_id);

                    $age = DateTime::createFromFormat('d/m/Y', $age);
                    $age = $age->format('Y-m-d'); //Line 65
                    $age = floor((time() - strtotime($age)) / 31556926);
                    echo $age; 
         
                } ?>
	            </li>

	            <!--age-->