Problem creating VolumeSnapshotContent: sourceVolumeMode is required once set

[witalijx]

Hello

We are experiencing issues when creating Snapshots of PVCs. The Snapshots are created from the Openshift 4.17 Virtualization GUI, if thats relevant.

Logs of the csi-snapshotter container:

I1125 13:45:30.437264       1 reflector.go:535] github.com/kubernetes-csi/external-snapshotter/client/v4/informers/externalversions/factory.go:117: Watch close - *v1.VolumeSnapshotClass total 10 items received

I1125 13:48:25.042435       1 snapshot_controller_base.go:178] syncContentByKey[snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0]

I1125 13:48:25.042546       1 util.go:215] storeObjectUpdate updating content "snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0" with version 13352625

I1125 13:48:25.042623       1 snapshot_controller.go:56] synchronizing VolumeSnapshotContent[snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0]

I1125 13:48:25.042633       1 snapshot_controller.go:542] Check if VolumeSnapshotContent[snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0] should be deleted.

I1125 13:48:25.042643       1 snapshot_controller.go:59] VolumeSnapshotContent[snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0]: the policy is Delete

E1125 13:48:25.049007       1 snapshot_controller_base.go:265] could not sync content "snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0": snapshot controller failed to update snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0 on API server: VolumeSnapshotContent.snapshot.storage.k8s.io "snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0" is invalid: spec: Invalid value: "object": sourceVolumeMode is required once set

I1125 13:48:25.049047       1 snapshot_controller_base.go:167] Failed to sync content "snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0", will retry again: snapshot controller failed to update snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0 on API server: VolumeSnapshotContent.snapshot.storage.k8s.io "snapcontent-32df5dab-c63f-4cbb-8f39-4cff66fd7aa0" is invalid: spec: Invalid value: "object": sourceVolumeMode is required once set

Any help is greatly appreciated!
Thanks