Could not retrieve mirrorlist https://rhui3.ap-southeast-2.aws.ce.redhat.com/pulp/mirror/content/dist/rhel/rhui/server/7/7Server/x86_64/rh-common/os error was 14: curl#35 - "Peer reports incompatible

Have a RHEL 7.1 server that I am trying to update. I was previously receiving 'Could not contact any CDS load balancers: https://rhui3.us-east-1.aws.ce.redhat.com/pulp/content/' when running yum update. So I followed the instructions in the below guide

https://repost.aws/questions/QUIU2gj0WaRAGLqD20xyTXXg/rhel-7-yum-list-could-not-contact-any-cds-load-balancers-https-rhui-3-us-east-1-aws-ce-redhat-com-pulp-content

But now I am getting the below error

Loaded plugins: amazon-id

Could not retrieve mirrorlist https://rhui3.ap-southeast-2.aws.ce.redhat.com/pulp/mirror/content/dist/rhel/rhui/server/7/7Server/x86_64/rh-common/os error was

14: curl#35 - "Peer reports incompatible or unsupported protocol version."