err": "\nerror: unable to retrieve source image registry.redhat.*REDACTED*ust-gather-rhel9 by tag v0.10.0: manifest unknown: manifest unknown\nerror: an error occurred during planning

it occurs on 4.20 with iib:1046078

steps to reproduce:
when testing with the new iibs

edge_infra.ocp.utils.exceptions.ImageRegistryFailure: Failed to mirror registry.redhat.io/workload-availability/node-healthcheck-must-gather-rhel9:v0.10.0 image locally: Failed to mirror registry.redhat.io/workload-availability/node-healthcheck-must-gather-rhel9:v0.10.0 image to the local registry: [Non-zero return code from invoke action] { "operation": "invoke", "status": 1, "actions": [ { "timestamp": 1759065888532, "elapsed_time": 1.2767984867095947, "success": false, "status": 1, "verb": "image", "cmd": [ "oc", "image", "mirror", "-insecure=true", "-registry-config=/home/kni/combined-secret.json", "registry.redhat.io/workload-availability/node-healthcheck-must-gather-rhel9:v0.10.0=registry.ocp-edge-cluster-0.qe.lab.redhat.com:5005/workload-availability/node-healthcheck-must-gather-rhel9:v0.10.0" ], "out": "", "err": "\nerror: unable to retrieve source image registry.redhat.*REDACTED*ust-gather-rhel9 by tag v0.10.0: manifest unknown: manifest unknown\nerror: an error occurred during planning\n",

the command is in the text above

it occurs when testing SNR and MDR and it should reproduce in all the operators