[Backer #1105] Still can't shop with Anno a second time

[Workdammit]

Standard procedure: Meet Anno, talk all three options in order, leave, talk to her again, press "shop," and get a crash.
The entirety of the error message is

Version: 0.69.420 -BACKER#1105

Shopkeeper setup!

 

[lowercase_donkey]

Next patch.