Thank you for suggesting I check. I then updated and it worked!
So the trade with the mink has disappeared. I was wondering whether mink would be available for gem sale after the event was over and the trade would stick around, but I'm thinking not.
Stupid living wood, used it all up, no way to get more. I stupidly didn?t plant 10 million extra trees to chop so I?m 6 of each from finishing.
Poll added.... :)