Failed snapshot error in csi logs show.
I0403 09:06:46.104589 1 snapshot_controller.go:325] createSnapshotWrapper: CreateSnapshot for content snapcontent-<id> returned error: rpc error: code = Internal desc = failed to create snapshot on volume "<volume id>": Snapshot with name "snapshot-<id>" and id "<id>" on volume "<volume id>" is created on CNS, but post-processing failed. You need to manually cleanup this snapshot.
vSphere 8.0
Stale snapshot, taken and not cleared up correctly
Remove offending volumesnapshot volumesnapshotcontent
kubectl delete volumesnapshot
kubectl delete volumesnapshotcontents
Resync datastore as per KB 390695