I think it's a common bug with Elophant. You should try like once every day and wait for the admins to fix it.
Yeah, the service was probably down at the time and you should try again in a few hours / another day.
AP Twisted Fate | AD Carry Kog | Support Sona
it seems to have randomly un-verified my account and now gives me this error every time I try to re-verify my account.
If it gives you an error the service is down, which it has been a lot lately due to a few reasons. Mainly, Riot has been changing things with their API and we have to keep changing it to keep up with them. I will make a post in the support forum when the stability has improved significantly.

Thanks to Minho for my sig!
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Error: The remote server returned an error: (401) Unauthorized. at System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request) at System.Net.WebClient.DownloadString(Uri address) at Elophant.RiotAPI.RiotAPI.GetSummonerByName(String Region, String SummonerName) in c:\dev\ccn\trunk\ElophantAPI\Elophant.RiotAPI\RiotAPI.cs:line 162 at ElophantInternalAPI.Program.ElophantInternalAPIService.Get(SummonerVerificationRequest request) in c:\dev\ccn\trunk\ElophantAPI\ElophantInternalAPI\Program.cs:line 2660 at ServiceStack.ServiceHost.ServiceRunner`1.Execute(IRequestContext requestContext, Object instance, TRequest request)
Sorry, if this is a known issue or anything. I didn't see anything about it though
Any help appreciated
Edit: been like this for few days