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I have a theory that I might have had the "Error initializing CoreMidi" because Logic was detecting way to many inputs. My main question is: why do I have so many listings of duplicate midi inputs? How do I prevent this from happening? And how can I clean out the MIDI Inputs list? This helped and the devices are working again, however for some reason all my manual mappings for the Maschine Mikro MK3 seem to be "gone". I manually deactivated all the grayed out listings and only left the white listings activated, like you can see on the images. The "Maschine Mikro MK3" and "Komplete Kontrol A DAW" show up dozens of times, and I don't know why. It kind of freaked me out because it was showing the following:
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Then under the MIDI menu I discovered the tab "Inputs". Nevertheless, the MIDI devices still weren't working. Again, nothing seemed to happen other than me not getting the error anymore. Then I did the following: "Preferences > MIDI > Reset all MIDI drivers". While troubleshooting I did the following: "Preferences > Reset all preferences except key commands" which seemed to do nothing. Then the following happend: after while of functioning perfectly I starting up my Mac and logic I got an "Error initializing CoreMidi", and my controllers stopped functioning. The Mikro has no control surface mapping in logic but I was able to manually map the buttons to the key commands. An "Komplete Kontrol A49" keyboard and a "Maschine Mikro MK3" pad controller. I use tow Native Instruments Midi controllers. That's why I decided to ask about it here as well as on the NI forums. I'm unsure if my problem is related to Logic, Mac or Native Instruments or a combination. I use a Komplete Kontrol A49 and a Maschine Mikro MK3. Perhaps like many of you I use Native Instruments hardware and plugins in combination with Logic Pro X. Hi there, I'm experiencing a rather specific issue.
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