I have almost the same problem, except that my invoice gets created, from my Picking slip (generated from a purchase) in the SALES journal instead of the Purchase journal. And I do have a purchase journal set up and set correctly to the type "Purchase"
I have almost the same problem, except that my invoice gets created, from my Picking slip (generated from a purchase) in the SALES journal instead of the Purchase journal. And I do have a purchase journal set up and set correctly to the type "Purchase"