Even with an SCS Unlocker, things go wrong. Here is the troubleshooting table for ETS2 users.

: Modders will rarely provide technical support for versions of their mods that have been tampered with or "unlocked". Are you looking to fix a specific bug in a locked mod, or are you trying to update a mod for the latest version of ETS2? SCS Unlocker For Locked Mods Euro Truck Simulator 2

: Modders often lock files to prevent theft, unauthorized re-uploads, or "piracy" of paid (payware) content.

: After making changes, the tool often allows users to repack the files back into a new, usable Why Mods Are Locked Modders typically lock their creations for several reasons: Anti-Theft