Fix

booking.py

@@ -659,8 +659,10 @@ class Booking(Workflow, ModelSQL, ModelView):
         print('  invoice 1 ', invoice.state)
         Invoice.submit([invoice])
         invoice.save()
-        print('  invoice 2 ', invoice.state)
-        # Invoice.post([invoice])
+        print('  invoice 2 ', invoice.state, invoice.cufe)
+        invoice = Invoice(invoice.id)
+        print('  invoice 3 ', invoice.state, invoice.cufe)
+        Invoice.post([invoice])
 
     @classmethod
     def create_invoice(cls, folios):

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=6.0.13
+version=6.0.14
 depends:
     party
     company