This article concerns using the Launchkey Mini [MK3] script with Logic - which you can download here: Novation Launchkey Mini [MK3] Logic Plug-in.zip

Please try the steps below if you have issues controlling logic parameters.

1. Quit Logic Pro.

2. In the Finder, choose Go > Go to Folder.

3. Enter ~/Library/Preferences, then click Go.

4. Remove the "com.apple.logic10.plist" file from the Preferences folder. 

5. If you upgraded from Logic 9 or earlier to Logic Pro X, also remove the "com.apple.logic.pro" file. 

6. Restart your Mac.

7. After deleting preferences, open your project and try to reproduce the issue that you were experiencing.

Here is the Launchkey Setup guide for Logic X: Getting Started With Launchkey Mini [MK3] // Logic Setup

For incompatible systems, you can create an alternate Logic Pro mapping by following:

Manually assigning controls in Logic Pro X without using Automap/Logic Scripts