I'd been keeping notes on all the vendors throughout the game to remind me what they sell and how good their prices are.

I entered Port Llast, and all these notes vanished.
Odd thing is, they came back, once, then vanished again. Never to be seen since.

Yet another infamous NWN2 bug?

Anything I can do to get these notes back? Are they stored in some file? I do know it is NOT stored in the standard savegame files and reloading old saves did not restore the notes.

Any help please?

Thanks.

Thanks, actually that sounds like you can manually back them up elsewhere just in case.
Although, as NWN2 does ALT-TAB ok on my PC, I think it's probably better to store extensive notes in a separate Wordpad file!