The .log files have unfortunately been overwritten, i.e. do not contain details about the previous state. So these are not helpful.
Assuming that the snapshot chain corresponds to the snapshots file names, I modified the attached .vmdk descriptor files, so that the chain is VDB2-000002.vmdk -> VDB2-000001.vmdk -> VDB2.vmdk.
What you may do is to:
After this, and before powering on the VM, I recommend that you create another VM snapshot, so that the current files won't get modified.
André