I keep getting an error when I try to collect from faucets that send my satoshis to Xapo "Xapo error: Failure Unable to process your request".

Any idea what is wrong?  I would get that error message like 70% of the time.

Faucets I used:
http://bitcoinker.com/
http://faucet.bitcoinzebra.com/
http://moonbit.co.in/