you can try this one.
1.)
Edit your theme breadcrumb.php then find function simple_breadcrumb_case($der_post){
2.)
below that add this code global $post;
3.)
Find this snippet
$ID = $category[0]->cat_ID;
echo get_category_parents($ID, TRUE, $markup, FALSE );
And replace with this
if( $post->post_type == EM_POST_TYPE_EVENT || $post->post_type == EM_POST_TYPE_LOCATION ){
$categories = get_the_category();
if( count($categories) == 0 ){
//assign a category to this
wp_set_object_terms($post->ID, 'uncategorized','category');
}
}else{
$ID = $category[0]->cat_ID;
echo get_category_parents($ID, TRUE, $markup, FALSE );
}