Origins Journey is not available as Scenario to report a defect, so I have marked it as All, same for the Game World, COMM301 Black Forest is not available.
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Windowmaker Vienna South
Glass factory Vinna South
Glass factory Graz North
Click on Vienna to open city panel
Select Windows schedule assistant
Select Vienna South as origin point
Select "add previous stop"
Glass factory Vienna South is not offered as an option, the only source offered is Graz North.
Glass factory Vienna South is offered as an origin point if repeating the process from WIndowmaker Graz North-West.