※ You need to delete amplify/team-provider-info.json
first.
git clone https://github.com/mats16/amazon-chime-meeting-studio.git
cd amazon-chime-meeting-studio
rm -f amplify/team-provider-info.json
npm install
amplify init
Pleas answer 'No', if you are asked about Lambda Triggers for Cognito.
? Do you want to configure Lambda Triggers for Cognito? No
amplify push
npm run serve
OR
amplify serve