Cannot Build Backend onamplify auth import

[chrisyeung1121]

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Describe the bug
I tried switching the auth to an imported one where I use CDK to customise it. However, after I did amplify auth import - the following error shows on Build > backend at Amplify console.

[0mFor more information on AWS Profiles, see:�[0m
                                 �[0mhttps://docs.aws.amazon.com/cli/latest/userguide/cli-configure-profiles.html�[0m
2020-12-22T19:56:14.390Z [INFO]: �[0mAmplify AppID found: d37y092esc33s1. Amplify App name is: awsamplifynuxt�[0m
2020-12-22T19:56:14.472Z [INFO]: �[0mBackend environment dev found in Amplify Console app: awsamplifynuxt�[0m
2020-12-22T19:56:15.151Z [WARNING]: - Fetching updates to backend environment: dev from the cloud.
2020-12-22T19:56:15.337Z [WARNING]: ✔ Successfully pulled backend environment dev from the cloud.
2020-12-22T19:56:15.370Z [WARNING]: ✖ There was an error initializing your environment.
2020-12-22T19:56:15.371Z [INFO]: �[31mFailed to pull the backend.�[39m
2020-12-22T19:56:15.373Z [INFO]: �[31mauth headless is missing the following inputParams userPoolId, webClientId, nativeClientId�[39m
2020-12-22T19:56:15.382Z [INFO]: �[0mError: auth headless is missing the following inputParams userPoolId, webClientId, nativeClientId�[0m
                                 �[0m    at ensureHeadlessParameters (/root/.nvm/versions/node/v12.19.0/lib/node_modules/@aws-amplify/cli/node_modules/amplify-category-auth/src/provider-utils/awscloudformation/import/index.ts:1265:11)�[0m
                                 �[0m    at headlessImport (/root/.nvm/versions/node/v12.19.0/lib/node_modules/@aws-amplify/cli/node_modules/amplify-category-auth/src/provider-utils/awscloudformation/import/index.ts:1122:40)�[0m
                                 �[0m    at exports.importedAuthEnvInit (/root/.nvm/versions/node/v12.19.0/lib/node_modules/@aws-amplify/cli/node_modules/amplify-category-auth/src/provider-utils/awscloudformation/import/index.ts:898:18)�[0m
                                 �[0m    at processTicksAndRejections (internal/process/task_queues.js:97:5)�[0m
                                 �[0m    at updateConfigOnEnvInit (/root/.nvm/versions/node/v12.19.0/lib/node_modules/@aws-amplify/cli/node_modules/amplify-category-auth/src/provider-utils/awscloudformation/index.js:51:72)�[0m
                                 �[0m    at /root/.nvm/versions/node/v12.19.0/lib/node_modules/@aws-amplify/cli/node_modules/amplify-category-auth/src/index.js:300:22�[0m
2020-12-22T19:56:15.399Z [ERROR]: !!! Build failed
2020-12-22T19:56:15.399Z [ERROR]: !!! Non-Zero Exit Code detected

Amplify CLI Version
4.40.0

To Reproduce

1. use amplify auth import
2. then git push to the branch to trigger a deployment
3. check the build tab for the console error

Expected behavior
headless auth should contain the following parameters userPoolId, webClientId, nativeClientId

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: MacOS Catalina
• Node Version. v12.18.3

[nubpro]

A few had success doing the following:
aws-amplify/amplify-hosting#206 (comment)
aws-amplify/amplify-hosting#206 (comment)

[chrisyeung1121]

I can confirm that by adding Environment Variable it solves the issue. I hope this bug will be fixed soon with newer amplify cli.

[github-actions]

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