Matte Assist Ml Render Failure Mocha Pro Verified Online

Ensure at least 20 GB free space on system drive.

Temporarily disable real‑time antivirus (e.g., Defender, CrowdStrike) – they may block .onnx model execution.

Mocha Pro’s Matte Assist uses an on-device ML model to generate detailed foreground mattes from a rough user-provided shape (like an X-Spline). A render failure means the ML engine crashed, timed out, or received invalid input data.

Last Updated: October 2024
Applies To: Mocha Pro 2023, 2024, and 2025 (Plug-in & Standalone) | Adobe After Effects | Foundry Nuke | Blackmagic Fusion

The ML model used by Matte Assist can become desynchronized. matte assist ml render failure mocha pro verified

Step 1: Delete the ML Cache

Step 2: Restart Mocha Pro
Upon reopening the project, Mocha will re-download the latest verified model (approx. 700MB). Ensure you have a stable internet connection. Ensure at least 20 GB free space on system drive

Step 3: Re-run Training
When you re-apply Matte Assist, click "Retrain from Scratch" instead of "Continue Training" to ensure no residual data corrupts the new cache.

Matte Assist requires VRAM. If you’re tracking a large clip (4K+, long duration, or many layers), the ML model can run out of memory. Mocha Pro’s Matte Assist uses an on-device ML

Fix: