When use oc-mirror with v2 format , mirror from disk to mirror , will hit error :
2023/11/14 03:29:50  [ERROR]  : [Worker] errArray initializing source docker://localhost:5000/openshift/graph-image:latest: reading manifest latest in localhost:5000/openshift/graph-image: manifest unknown
2023/11/14 03:29:50  [ERROR]  : [Worker] error in batch - refer to console logs

sometimes

Using the advanced cluster management package as an example.

1. with imagesetconfig:
cat config.yaml 
apiVersion: mirror.openshift.io/v1alpha2
kind: ImageSetConfiguration
mirror:
  platform:
    channels:
      - name: stable-4.13
        minVersion: 4.13.17
        maxVersion: 4.13.18
    graph: true
2. mirror to disk by command:
oc-mirror --v2 --config config.yaml  file://out
3. mirror from disk to mirror:
./oc-mirror --from file://out docker://ec2-18-191-168-65.us-east-2.compute.amazonaws.com:5000/ocp  --v2  --config config.yaml   

./oc-mirror --from file://out docker://ec2-18-191-168-65.us-east-2.compute.amazonaws.com:5000/ocp  --v2  --config config.yaml
--v2 flag identified, flow redirected to the oc-mirror v2 version. PLEASE DO NOT USE that. V2 is still under development and it is not ready to be used. 
2023/11/14 03:10:03  [INFO]   : mode diskToMirror 
2023/11/14 03:10:03  [INFO]   : local storage registry will log to /app1/1106/logs/registry.log
2023/11/14 03:10:03  [INFO]   : starting local storage on :5000
2023/11/14 03:10:03  [INFO]   : adding graph data image

....
2023/11/14 03:29:50  [INFO]   : starting batch 0 
2023/11/14 03:29:50  [INFO]   : completed batch 0
2023/11/14 03:29:50  [ERROR]  : [Worker] errArray initializing source docker://localhost:5000/openshift/graph-image:latest: reading manifest latest in localhost:5000/openshift/graph-image: manifest unknown
2023/11/14 03:29:50  [ERROR]  : [Worker] error in batch - refer to console logs 

No error.