Query for tag given slug

Hi @JM at Work:

Like this:

$term_slug = 'foo';
$term_object = get_term_by( 'slug', $term_slug, 'post_tag' );
print_r( $term_object );

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)