Output custom field value

I would suggest you could try something like this to insert the Skype id by using get_post_meta:

if (get_post_meta($post->ID, 'Skype_ID', true) == true) {
  echo get_post_meta( $post_id, "Skype_ID", true );
}

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