I have just edited these area's as advised;

define('DIR_WS_ADMIN', '/shop/**********/');
define('DIR_WS_CATALOG', '/shop/');
define('DIR_WS_HTTPS_ADMIN', '/shop/**********/');
define('DIR_WS_HTTPS_CATALOG', '/shop/');

and;

define('DIR_FS_ADMIN', '/home/********/public_html/shop/**********/');
define('DIR_FS_CATALOG', '/home/********/public_html/shop/');


I have used astrix as I dont want to post this fully on the site for obvious reasons