We’re currently seeing intermittent connectivity issues affecting a small subset of our systems hosted in AWS’s us-east-1 region due to ongoing instability within AWS.
As you likely already know, this is part of a major, ongoing AWS outage that's impacting many online services and providers globally.
https://health.aws.amazon.com/health/status
QuotaGuard is actively monitoring AWS's recovery efforts and working to restore full functionality as soon as possible.