Hi vcopola,
The reason you are getting this validation warning (it is not an error) is that in Settings>> Advanced, you have not specified a country code and international data code ( if you look at that sections name it says e164 number processing), Add these details and then click on Security>> Allowed Country codes and select your country. You may then remove the entries from your ip blacklist as you wish.
Please let me know if this has solved your issue and if you have any further questions dont hesitate to contact us.
Best Regards