That sounds like a bug. Do you perhaps have a save game right before Day 139? Save games can be found here:
- PC:
Users\*name*\AppData\Roaming\RenPy\ - Mac:
~/Library/RenPy/ - Android:
SD:/Android/data/com.perverteer.sl/files/saves/orSD:/Android/data/com.perverteer.tftuv/files/saves/