CloudFormation script to create Private Subnets etc. keeps getting stuck:

When I dig into the ASG, this is what I see in the Activity History of the ASG:

And this is what I am seeing in Instance Management section of the ASG:

I tried just copying the stage.yml from the "Network Security" tagged version of the book's repo. Still no luck.
Ugh. Any pointers??
CloudFormation script to create Private Subnets etc. keeps getting stuck:

When I dig into the ASG, this is what I see in the Activity History of the ASG:

And this is what I am seeing in Instance Management section of the ASG:

I tried just copying the
stage.ymlfrom the "Network Security" tagged version of the book's repo. Still no luck.Ugh. Any pointers??