Where is the Vugen snapshot from snapshot-on-error?

I have a Truclient script running in Vugen with 'snapshot on error' enabled. The script fails:

t=00067406ms: Error -203256: ** 9.10.32.4: Click on Cancel button ** failed - target object was not found.       Snapshot Info [MSH 1 1]    [MsgId: MERR-203256]

But where is the snapshot? The Snapshot tab is empty and says "No Snapshots Available".

Really need that snapshot to debug the script...

Thanks!

-Mark