Description:
When the pre-quest is unobtainable - [12] Gaffer Jacks - this quest is listed as missing pre-quest instead of also being listed as unobtainable.

Screenshot:

Questie Version:
v5.7.1

While "missing pre quest" isn't wrong, it's my understanding that if the pre-quest is unobtainable, the remaining quests in the chain should be as well.

@xDemoN Yes, you're absolutely correct on this. I will try to fix this in the next days and get a release out.