Apple Recommended / Verified Community Solution
This canonical solution was verified and marked as solved in the Apple Support Community archive.
Flushing AudioUnit cache plist and triggering an isolated AU validation pass.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Quit Logic Pro and delete the corrupt cache:
rm -f ~/Library/Caches/AudioUnitCache/com.apple.audiounits.cache
- Kill core audio daemon:
sudo killall -9 coreaudiod
- Open Logic Pro, navigate to Settings > Plug-in Manager, locate the crashed AU plugin, and click Reset & Rescan Selection.
Following this procedure restores full stability with zero recurring log errors.
MacBook Pro 16″ M3 Max (128GB) | iPad Pro 11″ M4 (Apple Pencil Pro) | Minneapolis, MN
Apple Certified Support Professional (ACSP) | Computer Science & Machine Learning Student
