Note: Version 1.38 is compatible with all DLCs released up until July 2020 (including Road to the Black Sea, but NOT Iberia which came after). If you try to load a save using Iberia DLC in 1.38, the map will crash.
If you own a physical, non-Steam copy of ETS2: Download Euro Truck Simulator 2 1.38
Wrong folder path or incorrect file extraction. Fix: Note: Version 1
Improved transmission behaviors and FH16 accessory updates. Option 4: Social Media Blurb Download Euro Truck Simulator 2 1.38
