The .gic files render fine but when the final pass is started TG instantly crashes with this report each time.
Vista Ultimate OS.
Resolved.
The GI cache files in that project were written with a disabled envirolight(this crashes the program if you try to read them back).
Sorry.
No apologies necessary, that's a good thing to be aware of. Probably technically a bug, though it makes some sense why it happens.
- Oshyan