Template format error: unsupported structure seen in AWS CloudFormation
I am trying to validate an AWS example CloudFormation template using a command like: ▶ aws cloudformation validate-template --template-body template.yml This leads to the following error message: An error occurred (ValidationError) when calling the ValidateTemplate operation: Template format error: unsupported structure. I tried this on many templates, including example templates from the AWS documentation. So I know the templates are okay. What am I doing wrong? bgenchel Apparently, the very unhelpful error message comes as a result of improper formatting in the CLI command. The --template