RuneXX

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LTX-2-Workflows

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You need up to date comfyUI,and KJNodes
In comfyUI manager click update all, or "try update" for KJNodes in ComfyUI manager (or use git pull alternatively)
and make sure comfyui itself is up to date

Should fix it ;-)

And if not, post a screen of your model loaders, maybe you put something wrong. But the video output you have is typical if not updated KJNodes

You need up to date comfyUI,and KJNodes
In comfyUI manager click update all, or "try update" for KJNodes in ComfyUI manager (or use git pull alternatively)
and make sure comfyui itself is up to date

Should fix it ;-)

And if not, post a screen of your model loaders, maybe you put something wrong. But the video output you have is typical if not updated KJNodes

thanks still same after update all the nodes and comfyui.
Here are the model loader

Total VRAM 24576 MB, total RAM 65349 MB
pytorch version: 2.8.0+cu129
xformers version: 0.0.32.post2
Set vram state to: NORMAL_VRAM
Device: cuda:0 NVIDIA GeForce RTX 3090 : cudaMallocAsync

You need up to date comfyUI,and KJNodes
In comfyUI manager click update all, or "try update" for KJNodes in ComfyUI manager (or use git pull alternatively)
and make sure comfyui itself is up to date

Should fix it ;-)

And if not, post a screen of your model loaders, maybe you put something wrong. But the video output you have is typical if not updated KJNodes

nevermind. i forget to update on the GGUF nodes. really help

yes true, the GGUF nodes also needs to be up todate.
And happy you got it working ;-)