If your Photo Cart is suddenly getting a 500 error or only displaying a blank page then you or your hosting company has updated the PHP (programming language) to PHP 7 which Photo Cart is not compatible with (and will not be compatible with) mainly because of the removal of the my_sql functions which are replaced with my_sqli functions.
My photocart site will not load. I'm trying different internet browsers such as firefox and safari and both are not working. I've logged out and restarted my computer and also ran first aid on my harddrive. Ideas?