How to remove category Function in Amplify?

Question

Hello everyone,

When I change Authorization modes on Amplify to Lambda and run a command Amplify push. I have a message error below:

```
LambdaFunction (AWS::Lambda::Function), Event Type: create, Reason: Resource handler returned message: "Your access has been denied by S3, please make sure your request credentials have permission to GetObject for amplify-133225-deployment/amplify-builds/graphQlLambdaAuthorizerae88f8f4-75757055505342576976-build.zip. S3 Error Code: AccessDenied. S3 Error Message: Access Denied (Service: Lambda, Status Code: 403, Request ID: 71023c52-851c-4924-853a-50543924b183)" (RequestToken: 22087c9e-4eee-fe51-0342-9c32b902c10d, HandlerErrorCode: AccessDenied)
```
This is command I implemented on Amplify:

* amplify api update

```
amplify api update
? Select from one of the below mentioned services: GraphQL

General information
- Name: xxxxxxx
- API endpoint: XXXXXXXXXXXXXXXXXXXXXXXXXX

Authorization modes
- Default: Lambda

Conflict detection (required for DataStore)
- Disabled

? Select a setting to edit Authorization modes
? Choose the default authorization type for the API Lambda
? Choose a Lambda authorization function Create a new Lambda function
? Do you want to edit the local lambda function now? Yes
Edit the file in your editor: XXXXXXXXXXXXXX\App\amplify\backend\function\graphQlLambdaAuthorizer418f5645\src\index.js
? Press enter to continue
Successfully added graphQlLambdaAuthorizer418f5645 function locally
? How long should the authorization response be cached in seconds? 300
? Configure additional auth types? No
✅ GraphQL schema compiled successfully.
```

* amplify push

```
Deployment failed.
Deploying root stack xxxx [ =============--------------------------- ] 1/3
        amplify-xxxx-xxxxx… AWS::CloudFormation::Stack     UPDATE_ROLLBACK_COMPLETE       Sat Feb 11 2023 09:23:58…
        apixxxx                AWS::CloudFormation::Stack     UPDATE_FAILED                  Sat Feb 11 2023 09:21:24…
        functiongraphQlLambdaAuthoriz… AWS::CloudFormation::Stack     CREATE_FAILED                  Sat Feb 11 2023 09:21:13…
Deploying api xxxx [ ===------------------------------------- ] 1/12
        GraphQLAPI                     AWS::AppSync::GraphQLApi       UPDATE_COMPLETE                Sat Feb 11 2023 09:22:14…
        GraphQLAPITransformerSchema3C… AWS::AppSync::GraphQLSchema    UPDATE_FAILED                  Sat Feb 11 2023 09:21:14…
Deploying function graphQlLambdaAuthorizer418f5645 [ ==========------------------------------ ] 1/4
        LambdaExecutionRole            AWS::IAM::Role                 CREATE_COMPLETE                Sat Feb 11 2023 09:21:05…
        LambdaFunction                 AWS::Lambda::Function          CREATE_FAILED                  Sat Feb 11 2023 09:21:11…
```

Can you support fixing issues above? Thank you so much.

learn2skills · Answer

Hello @AWS-User-7754781

Thank you for posting in re:Post

To Remove a layer
To remove a Lambda layer, run the `amplify function remove` command and select `Lambda layers`. Next, you'll be prompted to select which layer to remove. You can delete specific layer versions or all of them.

Warning: When you delete a layer, you can no longer configure functions to use it. However, any function that already uses the layer continues to have access to it.

for more details- https://docs.amplify.aws/cli/function/layers/

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