Facebook has not been working right The Block Button is Screwed up I Try to Block People and it says opps sorry a unknown error has occurred we are working hard to fix this

And Also Friend Requests when i add people it seems to be giving me error messages it fixes it self once someone approves my request this is what im getting

Friend limit reached.
Sorry, you cannot add any more friends or fan more pages without removing some first.

I Have Less than 5 thousand friends
im a bit concearned i been writting to facebook lots of people are writting but facebook hasint been posting any updates regarding site issues
too add onto it it wont let me accept group invitations and my friend count is not correct