"export-image" returns "InvalidParameter" "The image ID (ami-03af6a70ccd8cb578) provided does not exist"

Question

Probably a n00b question, but what am I doing wrong, that for a standard Amazon Linux 2 AMI ami-03af6a70ccd8cb578 ("amzn2-ami-kernel-5.10-hvm-2.0.20211201.0-x86_64-gp2") 
`aws ec2 describe-images --image-ids ami-03af6a70ccd8cb578`
works fine and shows: 
```
{
    "Images": [
        {
            "Architecture": "x86_64",
            "CreationDate": "2021-12-01T20:06:29.000Z",
            "ImageId": "ami-03af6a70ccd8cb578",
            "ImageLocation": "amazon/amzn2-ami-kernel-5.10-hvm-2.0.20211201.0-x86_64-gp2",
            "ImageType": "machine",
            "Public": true,
            "OwnerId": "137112412989",
            "PlatformDetails": "Linux/UNIX",
            "UsageOperation": "RunInstances",
            "State": "available",
            "BlockDeviceMappings": [
                {
                    "DeviceName": "/dev/xvda",
                    "Ebs": {
                        "DeleteOnTermination": true,
                        "SnapshotId": "snap-0d3c07fe7b24df1b8",
                        "VolumeSize": 8,
                        "VolumeType": "gp2",
                        "Encrypted": false
                    }
                }
            ],
            "Description": "Amazon Linux 2 Kernel 5.10 AMI 2.0.20211201.0 x86_64 HVM gp2",
            "EnaSupport": true,
            "Hypervisor": "xen",
            "ImageOwnerAlias": "amazon",
            "Name": "amzn2-ami-kernel-5.10-hvm-2.0.20211201.0-x86_64-gp2",
            "RootDeviceName": "/dev/xvda",
            "RootDeviceType": "ebs",
            "SriovNetSupport": "simple",
            "VirtualizationType": "hvm"
        }
    ]
}
```

But yet:
`aws ec2 export-image --image-id 'ami-03af6a70ccd8cb578' --disk-image-format VMDK --s3-export-location S3Bucket=XXX,S3Prefix=exports/`
Throws:
```
An error occurred (InvalidParameter) when calling the ExportImage operation: The image ID (ami-03af6a70ccd8cb578) provided does not exist. Please make sure the ID is correct.
```

Accepted Answer

There are several limitations for export image that can result in an error. These are documented here: https://docs.aws.amazon.com/vm-import/latest/userguide/vmexport_image.html#limits-image-export

The one that applies in this case is "You can't export an image from Amazon EC2 if you've shared it from another AWS account". If you're using the standard Amazon Linux 2 AMI, that exists in another account, managed by AWS. You should be able to [copy the AMI](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/CopyingAMIs.html) into your own account, then export it using that AMI ID, as long as none of the other limitations apply.

"export-image" returns "InvalidParameter" "The image ID (ami-03af6a70ccd8cb578) provided does not exist"

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