Unable to create Elastic Container Service on AWS playground

Cloud AWS
#1

I am getting below error when tried to create container service. Please look into this and guide me to create a container sevice.

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#2

Are you trying this on AWS Playgrounds?
If so, I doubt if ExpressGatewayService is supported on Playgrounds.
The allowed services for Playgrounds permit Basic services

#3

Thank you for the input. I am able to create container using Task Definitions.