blackberry facebook app help!!!!!

why does my blackberry facebook app says you are currently on a service plan that does not support this application, please connect to a wifi network or upgrade your data plan....i am using wifi, i can use twitter, the blackberry app world, bbm, the browser. why is facebook like this? please. i have a blackberry curve

Never used FB, but sounds like a service book issue. Try Options->Host Routing Table->menu->Register, though you probably will have to contact your carrier to resolve it.

Try re-instaling the app first...or a phone restart before you go the service book route.