Kevin
Kevin
I'm having this issue too and trying to figure out why.. Same error.. It is weird to be because the certificate was renewed automatically, 30 days before expiry, but it...
I made some progress... ProTip: Start with Ubuntu 16.04.5 For AWS make sure your account is full VPC, not EC2-Classic at all. It needs to have/support a VPC Default Group...
What about changing Sites to be 'tags' so that multiple sites can be tagged for a prefix? If doing this, one wouldn't be able to downgrade versions after the upgrade...