Wrong access permissions [chmod] for folders: products_files, products_pictures, temp, templates_c (or at least one of these folders does not exist).
Please enable write permissions for these folders (set chmod 775).
Fatal error: Smarty error: unable to write to $compile_dir 'C:\inetpub\tenants\cuski.com\httpdocs\store\templates_c'. Be sure $compile_dir is writable by the web server user. in C:\inetpub\tenants\cuski.com\httpdocs\store\smarty\smarty.class.php on line 1088