Deploying CoreOS on Proxmox, Ignition file not found

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Hello i followed the official documentation for Proxmox deployments but the installer does not recognise the ignition file.

I used the commands in the documentation and made a small script without any meaningful changes, but it appears like the ignition file is not found by the installer. Thankful for any tips and suggestions. E.g. how to debug the coreos installer (if neccesarry).

Thanks a lot!

Script:

#!/bin/bash
VM_ID=201
NAME=fedora-coreos
QCOW=fedora-coreos-43.20251110.3.1-live-iso.x86_64.iso
IGN=qa-docker.ign
VMSTORAGE=vmstore
COREOS_STORAGE=coreos # not used
CPU=2
MEMORY=2048
DISK_SIZE=90G

qm create ${VM_ID} --name ${NAME} --cores ${CPU} --memory ${MEMORY} 
–net0 virtio,bridge=vmbr0 --scsihw virtio-scsi-pci

qm set ${VM_ID} --scsi0 “${VMSTORAGE}:0,import-from=/var/coreos/images/${QCOW}”
qm resize ${VM_ID} scsi0 +${DISK_SIZE}
qm set ${VM_ID} --ide2 ${VMSTORAGE}:cloudinit
qm set ${VM_ID} --boot order=scsi0
qm set ${VM_ID} --cicustom vendor=coreos:snippets/${IGN}
qm set ${VM_ID} --ciupgrade 0
qm start ${VM_ID}

Installer output:

Das Bild zeigt eine Textkonsole eines Fedora CoreOS-Systems, die den Startvorgang und die Benachrichtigung über die laufende Installation im Live-Umfeld anzeigt. (Beschriftet durch KI)
Das Bild zeigt eine Textkonsole eines Fedora CoreOS-Systems, die den Startvorgang und die Benachrichtigung über die laufende Installation im Live-Umfeld anzeigt. (Beschriftet durch KI)598×451 57.2 KB

tree /var/coreos
/var/coreos
├── images
│   └── fedora-coreos-43.20251110.3.1-live-iso.x86_64.iso
├── snippets
│   └── qa-docker.ign
└── template
    └── iso

5 directories, 2 files