In Logic Preferences / Midi (Inputs tab), deselect any outputs…
<img src="https://images.squarespace-cdn.com/content/v1/56570b4be4b0f33a7ac7e868/a7a67328-41c8-4747-b651-6dec26ee2cbd/Logic+prefs+sm.png?format=2500w" alt="undefined" style="float:none;height: undefined;width: undefined"/>

If this doesn't solve the issue, you can trash your control surface preference file located here...
<img src="https://cdn.livechat-static.com/api/file/kb/file/14855262/4f12403e1b-a4c6403fced1303bd5ad.png" alt="undefined" style="float:none;height: undefined;width: undefined"/>

Note: You will need to reinstall all control surfaces after this step.&nbsp;

In Logic Preferences / Midi (Inputs tab), deselect any outputs…
 

If this doesn't solve the issue, you can trash your control surface preference file located here...
 

Note: You will need to reinstall all control surfaces after this step. 

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