V4MD crash can delete data of db

[info at vallemediatime.com]

> > Hi Ruslan,
> > from two days sometimes I get a new problem:
> > if I stopped my movie after some commands I get a crash and the size of
vdb
> > file become very little and the data are deleted.
> > (Btw, I save a copy of db in start session)
> >
> > For the crash I understand that it's possible because I'm testing some
new
> > methods for me, but why this can delete the 90% of data in vdb file?
>
> Hmm, so file was e.g. 1 MB in size and become 100Kb ???
Yes

> Exists way to reproduce ?
I can try to reproduce (not simple I think) and send you more information
about this...
I've never get this on V1, but with V1 I've made more simple db and query.