WP_QUERY loop, offset in the arguments and the paginate_links – can these work together?

 $args = array( 'cat'=>7, 'offset'=>4,'paged' => $paged); 

in this array use posts_per_page insted of offset

$args = array( 'cat' => 7, 'posts_per_page' => 4,'paged' => $paged);

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