Error in deploying to Amazon ECS using the Docker Compose file

[berry2012]

Steps followed:

git clone https://github.com/mreferre/yelb 
cd ./yelb/deployments/platformdeployment/Docker/
ls
README.md docker-compose.yaml stack-deploy.yaml

Error

WARNING services.scale: unsupported attribute        
WARNING services.scale: unsupported attribute        
WARNING services.scale: unsupported attribute        
WARNING services.scale: unsupported attribute        
WARNING networks.driver: unsupported attribute   
[+] Running 13/13
 ⠿ docker                          DeleteComplete                                                                                                                                      95.1s
 ⠿ RedisserverTaskExecutionRole    DeleteComplete                                                                                                                                      15.1s
 ⠿ Cluster                         DeleteComplete                                                                                                                                      15.1s
 ⠿ YelbuiTaskExecutionRole         DeleteComplete                                                                                                                                      15.1s
 ⠿ YelbnetworkNetwork              DeleteComplete                                                                                                                                      15.0s
 ⠿ CloudMap                        DeleteComplete                                                                                                                                      90.1s
 ⠿ YelbuiTCP80TargetGroup          DeleteComplete                                                                                                                                      14.0s
 ⠿ LogGroup                        DeleteComplete                                                                                                                                      14.0s
 ⠿ YelbdbTaskExecutionRole         DeleteComplete                                                                                                                                      14.0s
 ⠿ YelbappserverTaskExecutionRole  DeleteComplete                                                                                                                                      14.0s
 ⠿ YelbnetworkNetworkIngress       DeleteComplete                                                                                                                                       7.0s
 ⠿ LoadBalancer                    DeleteComplete                                                                                                                                       7.0s
 ⠿ Yelbnetwork80Ingress            DeleteComplete                                                                                                                                       7.0s
A load balancer cannot be attached to multiple subnets in the same Availability Zone (Service: AmazonElasticLoadBalancing; Status Code: 400; Error Code: InvalidConfigurationRequest; Request ID: 09fda1ca-a71b-4c98-9ed1-0cb0cbbc7ee5; Proxy: null)

[mreferre]

I think you are hitting this: docker-archive/compose-cli#921