Promods 2.55 was specifically optimized for game version 1.40. Using any older or newer version of Promods will crash your game.
: Two new cities, Bayonne and Lacq, were added as a free update for owners of this map DLC. Download Ets 2 1.40 Full Dlc
[ETS2 1.40] Full DLC Pack – Complete Collection Promods 2
Steam will automatically download the files required for version 1.40. Step 3: Verify System Requirements Bayonne and Lacq
System requirements and compatibility (v1.40 specifics):