validating Audio Unit JC303 by midilab:
AU Validation Tool
Version: 1.10.0
Copyright 2003-2019, Apple Inc. All Rights Reserved.
Specify -h (-help) for command options
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VALIDATING AUDIO UNIT: 'aumu' - 'J303' - 'Mlab'
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Manufacturer String: midilab
AudioUnit Name: JC303
Component Version: 0.10.1 (0xA01)
* * PASS
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TESTING OPEN TIMES:
COLD:
FATAL ERROR: OpenAComponent: result: -1,0xFFFFFFFF
validation result: couldn’t be opened