kMIDIUnknownEndpoint The system doesn’t recognize the endpoint. Declarationvar kMIDIUnknownEndpoint: OSStatus { get } See AlsoError CodeskMIDIInvalidClientkMIDIInvalidPortkMIDIWrongEndpointTypekMIDINoConnectionkMIDIUnknownPropertykMIDIWrongPropertyTypekMIDINoCurrentSetupkMIDIMessageSendErrkMIDIServerStartErrkMIDISetupFormatErrkMIDIWrongThreadkMIDIObjectNotFoundkMIDIIDNotUniquekMIDINotPermittedkMIDIUnknownError