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ComfyUI: name 'smashConfig' is not defined

Pruna Node Not Running in ComfyUI

If you’re having trouble getting the Pruna node to run in ComfyUI—despite following the installation steps—this guide will walk you through the essentials to get you back on track.

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1. Tell Us What You’re Trying to Achieve

Explaining what you’re aiming to achieve helps us understand your context, which is crucial for effective support.

For example: Are you hoping to match the performance of Pruna’s endpoint on Replicate, but in a private deployment?

Knowing your end goal helps determine the best solution or workaround—sometimes, a different deployment route is more appropriate.

2. Check Your Operating System

Pruna nodes currently require a Linux system with a GPU. They do not run on Windows. If you’re on Windows, this is the root of your problem.

What to do:

  • Switch to a Linux environment.

3. Verify Installation Steps

Double-check that you followed the exact steps in the Pruna node README. Small mistakes (wrong folder, missing dependencies) can break the integration.

What to do:

  • Revisit the official README for Pruna node.

  • Make sure all dependencies are installed.

  • Confirm the node files are in the correct ComfyUI directory.

4. Still Stuck?

If you’re still blocked, contact us (via this portal, Discord or support@pruna.ai)

  • Send the full error message or traceback to the support team.

  • Specify your OS, GPU type, and exact steps you followed.

We’ll help you get back on track.

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