S3 bucket: does not have access or doesn't exist

Question

We are trying to execute a test job on Braket, and we are using an S3 bucket for this purpose. We run into this error:

An error occurred (ValidationException) when calling the CreateQuantumTask operation: Caller doesn't have access to mrucc-88 or it doesn't exist.

Can someone please help with this problem?

Vardan Matevosyan AWS · Answer

Please try the following steps to see if it helps. 
1. Create a new S3 bucket with the "amazon-braket-" prefix. 
More info here: https://repost.aws/de/questions/QUpgOsg4xfRmy5j543vWtOEA/can-t-access-s3-bucket-from-braket-notebook
2. Update your code to use the new bucket name
3. Verify that your IAM role has the AmazonBraketFullAccess policy
4. If using a custom role, ensure it has the necessary S3 permissions listed below
{
    "Effect": "Allow",
    "Action": [
        "s3:GetObject",
        "s3:PutObject",
        "s3:ListBucket",
        "s3:CreateBucket",
        "s3:PutBucketPublicAccessBlock",
        "s3:PutBucketPolicy"
    ],
    "Resource": "arn:aws:s3:::amazon-braket-*"
}

Hope this helps.

Thanks.

S3 bucket: does not have access or doesn't exist

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