: Two community-voted designs from the Super Stripes Pack were expanded to be compatible with owned trailers.

This is the most common reason for crashes. If you are moving back to 1.40, you must ensure your mods (ProMods, truck skins, sound packs) are specifically designed for 1.40. Using 1.41 or 1.50 mods on this version will likely cause the game to close on the loading screen.