crash with irmap

Hi guys,
I have a scene which completly crashes and closes viz when the irmap has finished being calculated and is being saved. The irmap is about 22meg, anybody any ideas whats causing it .
Using viz4 and 1.47.03

cheers
TD

Can you send me the file c:\vraylog.txt to vlado@chaosgroup.com immediately after the crash and before you start VIZ again?

Best regards,
Vlado

log sent thanks
TD