The language pack version does not exactly match your AutoCAD update level. Fix: Install the same Service Pack or Update for AutoCAD 2017 before installing the language pack. Match the language pack version (e.g., AutoCAD 2017 SP1 requires the SP1 language pack).
afterward. Without this, the software might not function correctly in the new language. Desktop Shortcut Logic Autocad 2017 Language Pack
A language pack is a free add-on from Autodesk that changes the user interface (UI) of AutoCAD 2017 from one language to another. This includes: The language pack version does not exactly match