KERNEL_ACCESS_DENIED = 1
KERNEL_NOT_FOUND = 2
KERNEL_NOT_AVAILABLE = 3
KERNEL_MOVED = 4
KERNEL_LANGUAGE_NOT_FOUND = 5
KERNEL_MODULE_NOT_FOUND = 20
KERNEL_MODULE_VIEW_NOT_FOUND = 21
KERNEL_MODULE_DISABLED = 22
KERNEL_NO_DB_CONNECTION = 50
SHOP_OK = 0
SHOP_NOT_A_PRODUCT = 1
SHOP_BASKET_INCOMPATIBLE_PRODUCT_TYPE = 2
SHOP_PREFERRED_CURRENCY_DOESNOT_EXIST = 3
SHOP_PREFERRED_CURRENCY_INACTIVE = 4