I am in need of serious help. I do not know what changed but all of a sudden shipping quote is not working on our server for UPS, USPS, Fedex. I don't know if there's a feature turned off on our server or what could be responsible for this but I despirately need help.

I don't even know where to start. The site in question is http://www.clevershoppers.com Things were working just fine until today and yes! we are using the update version of usps from January.