My friend doesn't believe me?? PLZ PLZ PLZ HELP! BEFORE THINGS GET WORSE!!?

On Facebook, me and my friend were talking.. IDK wat happened. Then later today I called her and she said that she doesn't want to talk to me. I said why? She said that I told. I was like told wat?? She said that she likes someone to kathy. I said when?? She said on Face book that i said "I telled" she said thats wat i typed. I was like WAT!!!! I DIDNT DO THAT I NEVER EVEN SAID THAT!! She said sure... now shes mad at me... and i didnt even do that!! and if i did... then y would i even tell her!! But i didn't tell... and now she doesn't believe me! I think facebook just got jacked up!! But i never told. Every time i try to call her she ignores it and i sent her a message on Face book!! What do I do!!??? (P.S. and she should relize that that has to wrong cause i would say I told not telled and y would i tell her if u told... BUT I DIDNT TELL!!)