Logic Pro Error Message: "Plug-in for device Komplete Kontrol / Maschine is missing"

Symptom

When opening Logic Pro, you receive the error message:

Plug-in for device "Komplete Kontrol S-Series" is missing or

Plug-in for device "Maschine MK3" is missing

image (21).png

Solution

  1. Quit Logic Pro and open Finder.
  2. Open the User Library: Click Go in the menu bar, hold down the Option / Alt key and select Library from the menu:
    Go_Menu_Finder_User_Library_Underlined_Kybd copy.png
  3. Navigate to Library > Preferences.
  4. Delete the file com.apple.logic.pro.cs
    RemoveCS.png
  5. Start Logic Pro.

Logic Pro should work as expected again.