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Input contains (near) NaN/+-Inf, LTX-2.3, ComfyUI

Status: Open.

#523 In Lightricks/ComfyUI-LTXVideo;

· James Blond (ai-bond) opened on Jun 30, 2026

with RTX 5090 200GB RAM - ltx 2.3 is broken; it runs out of memory (OOM) when I increase the frame count, but even when I drop it to 120 frames, it still OOMs—despite working perfectly before. I’ve tested it on multiple instances across VAST and RunPod

Status: Open.

#522 In Lightricks/ComfyUI-LTXVideo;

· peepeepeepoopoopoo opened on Jun 30, 2026

TextGenerateLTX2Prompt 报错 （model files match requirement）

Status: Open.

#520 In Lightricks/ComfyUI-LTXVideo;

· horsemz-qq opened on Jun 23, 2026

Error i get.. Everything installed and good.. but this.. AttributeError: 'PixelspaceConversionVAE' object has no attribute 'latent_frequency_bins'

Status: Open.

#519 In Lightricks/ComfyUI-LTXVideo;

· akedo1 opened on Jun 22, 2026

The generated video doesn't follow the input image

Status: Open.

#518 In Lightricks/ComfyUI-LTXVideo;

· hitzhangjie (hitzhangjie) opened on Jun 20, 2026

Installation/Import Fails

Status: Open.

#517 In Lightricks/ComfyUI-LTXVideo;

· jadanduffin opened on Jun 18, 2026

All of my LTX 2.3 workflows have this error, "DualCLIPLoader json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)"

Status: Open.

#515 In Lightricks/ComfyUI-LTXVideo;

· FStubbs2-source opened on Jun 18, 2026

video frames all blank

Status: Open.

#512 In Lightricks/ComfyUI-LTXVideo;

· ChaceYoung opened on Jun 17, 2026

Not an issue, but audio music lipsync

Status: Open.

#511 In Lightricks/ComfyUI-LTXVideo;

· Ziyaad (ziyaad30) opened on Jun 16, 2026

This workflow was created with a newer version of ComfyUI (0.18.1), and some nodes might not work correctly.

Status: Open.

#510 In Lightricks/ComfyUI-LTXVideo;

· davidvan0130-zhuzhen opened on Jun 15, 2026

the resolution is low

Status: Open.

#509 In Lightricks/ComfyUI-LTXVideo;

· Snoop-Scorp (Scorpmoh123) opened on Jun 13, 2026

conflict with kornia in pyramid_blending.py

Status: Open.

#505 In Lightricks/ComfyUI-LTXVideo;

· asamafilm opened on Jun 7, 2026