Experiencing the same problem as the OP.
Doesn't seem to have hit news sites yet (like here) on Google search but it's probably pretty wide-spread if it's happened with all Windows Phones...
im having the same problem i deletd the account from settings and now i cant restore my account it says that f#$%! message !!!!ok having this issue as well deleted the account and it won't accept the account anymore
looks like a different issue...not sure by that thread is dated.