Don't think you need to worry. Verification for first time withdrawals isn't unusual at some sites and the message isn't telling you that you did something wrong. Also, I don't see how you could possibly have done anything wrong. You had only one account on each site, should never matter where and how you access them.
Support from most crypto-only gambling portals may take a while to respond to your queries, so would suggest giving it a bit more time (assuming this only happened today?). You can also check out their own thread here and reach out if it doesn't get resolved:
https://bitcointalk.org/index.php?topic=1268718.0