weis nonfat yogurt vanilla review: sour and lumpy 1

I took a mouthful of the yogurt last night and it was sour and lumpy, I couldn't spit it out and swallowed it, horrible, now today I am sick to my stomach threw up and have diarea how ever you spell it you get the jist?I fell pretty bad today and that was the only thing I ate so I know that it is the reason why.it is the store in Tannersville pa.here is the code ect... [protected] date sept 16-2011 plant#34-865 sunbury, pa.was bought in wies market in Tannersville pa.#[protected].my name is Helene Force 22 mountainview drive Tannersville pa.18372 #[protected]