Hello,
It means that you have restriction set in your shipping methods or/and the cart content does not allow UPS to get a quote.
Please provide details about your shipping configuration and also please check the configuration of your products (their weight & dimensions)
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.