botocore.exceptions.ClientError: An error occurred (UnauthorizedOperation) when calling the DescribeInstances operation: You are not authorized to ...

botocore.exceptions.ClientError: An error occurred (UnauthorizedOperation) when calling the DescribeInstances operation: You are not authorized to perform this operation.

        {
            "Effect": "Allow",
            "Action": [
                "ec2:Start*",
                "ec2:Stop*",
                "ec2:DescribeInstances"
            ],
            "Resource": "*"
        }