Is this still happening? (the original issue, I see the forum one).
I can't reproduce the null/NaN errors but we have a good idea of what it might be. Unfortunately, it might be an unexpected side-effect of the improvement made to the servers today. Hopefully we won't need to roll that back.
Okay, I have found the problem and it's your account, not the servers. If you try logging in now, it should work as expected. You were being logged in to an older account with the same email address, one which didn't have a valid team/manager associated with it. Only the very first 100 users or so of iGP can find this kind of bug, so congratulations! You're one of the only people who this can happen to, haha.