: Sudden CPU spikes, insufficient RAM, or slow disk I/O speeds (especially when using external drives or network-mounted storage) can trigger the error.
Using macOS Aggregate Audio devices (e.g., combining internal speakers with an interface) now triggers 9416 far more easily in Pro Tools 2024+. Avid has flagged this as a known issue under investigation.
Legacy data or "ghost" clips that cause the audio engine to hang. Updated Troubleshooting Guide
, typically occurring during timeline operations or when using Elastic Audio
