HTTP Error 422: UNPROCESSABLE ENTITY

[BrGitHub11]

Describe the bug
We were running deployments for weeks now. We didn't change anything in our code but now the deployment fails with the error code for one single cluster and template (for other clusters it's still working):
HTTP Error 422: UNPROCESSABLE ENTITY

To Reproduce
nutanix.ncp.ntnx_vms:
state: present
name: "XXXvmname"
nutanix_host: "XXXhostname"
nutanix_username: 'XXXusername'
nutanix_password: 'XXXpassword'
cluster:
name: "XXXclustername"
networks:
- is_connected: True
subnet:
uuid: "XXXuuidname"
disks: "[
{
"type": "DISK",
"size_gb": 150,
"bus": "SCSI",
"clone_image": {
"name": "rhel9"
}
},
{
"type": "CDROM",
"bus": "SATA",
"empty_cdrom": true
}
]"
vcpus: "2"
cores_per_vcpu: "2"
memory_gb: "8"
categories:
Environment:
- "Dev"
authentication:
- "devops"
Team:
- "devops"
Department:
- "it"

Stack trace
{
"status_code": 422,
"error": "HTTP Error 422: UNPROCESSABLE ENTITY",
"response": null,
"msg": "Failed fetching URL: https://XXXhostname:9440/api/nutanix/v3/vms",
"invocation": {
"module_args": {
"state": "present",
"name": "XXXvmname",
"nutanix_host": "XXXhostname",
"nutanix_username": "XXXusername",
"nutanix_password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
"cluster": {
"name": "XXXclustername"
},
"networks": [
{
"is_connected": true,
"subnet": {
"uuid": "XXXuuidname"
}
}
],
"disks": [
{
"type": "DISK",
"size_gb": 150,
"bus": "SCSI",
"clone_image": {
"name": "rhel9"
}
},
{
"type": "CDROM",
"bus": "SATA",
"empty_cdrom": true
}
],
"vcpus": 2,
"cores_per_vcpu": 2,
"memory_gb": 8,
"categories": {
"Environment": [
"Dev"
],
"authentication": [
"devops"
],
"Team": [
"devops"
],
"Department": [
"it"
]
},
"nutanix_port": "9440",
"validate_certs": true,
"wait": true,
"timezone": "UTC",
"force_power_off": false,
"remove_categories": false
}
},
"_ansible_no_log": null,
"changed": false
}

Expected behavior
VM should be deployed without error

Additional context
Like mentioned above: we can only deploy RHEL9 on a certain cluster. And only RHEL9 is deployed on this cluster.
The issue started from one day to another without any changes on our side.
On other clusters and with other templates the code is still working fine with all other settings the same (like team,
user, password, host).

[BrGitHub11]

Found the root cause. The image was missing. But the error message should be more descriptive.