If you’ve tried all the above and the error continues, the issue may be specific to your session file. Create a new session and use to bring in tracks from the problematic session (excluding any corrupt automation or corrupted audio files). For persistent cases, contact Avid Support with a Sandra Report (Windows) or System Report (macOS).
Then, disable cloud sync for your session folder. Move all active projects out of Dropbox/iCloud folders. pro tools aae error 9178
Or, in some iterations:
: Hold Shift while Pro Tools is starting up to force a rescan of your plugins. You can also manually reset the AAX Plugin Cache by deleting the plugin cache files in your system preferences. 2. Address Driver & Playback Engine Issues AAE Error -9178 - Avid Pro Audio Community If you’ve tried all the above and the