include_once($path_to_root . "/includes/date_functions.inc");
include_once($path_to_root . "/includes/ui.inc");
-include_once($path_to_root . "/includes/manufacturing.inc");
include_once($path_to_root . "/includes/data_checks.inc");
check_db_has_purchasable_items(_("There are no inventory items defined in the system."));