EDIT II:
Now after retrying, the page doesnt show "service temporarily unavailible" anymore, now it says that my verification level isnt enough. Although Im verified on tier 3, and for the amount I want to withdraw I would only need tier 2 anyways. Dont know what to do here.

Same situation here - tier 3 verified account and it says that current funding tier level (3) is insufficient for this functionality. I can't