Here is a comprehensive guide to understanding why this happens and how to fix it without losing your hard-earned progress. Why Does the "Missing DLC Detected" Error Happen?
Right-click ETS2 in Steam > Properties > Installed Files > Verify integrity of game files . euro truck simulator 2 missing dlc detected
It's not uncommon for a major ETS2 update to temporarily cause DLC detection issues. Usually, this is because the mods you are using have not been updated for the new game version. Here is a comprehensive guide to understanding why
Map mods (like ProMods) require specific DLCs you might not own or have active. It's not uncommon for a major ETS2 update
Did this happen right after a or after moving to a new PC ?
If you access ETS2 DLC through Steam Family Sharing, authorization glitches are common.
Did this error start happening or mod installation ?