category permalinks

You need to modify the rewrite argument when you register your post type:

$args = array(
    // [...]
    'rewrite' => array( 'slug' => "Tours" ),
);
register_post_type( mc_tours, $args );

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