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LTX-2.3-Workflows

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Got errors on "LTX-2.3_-_I2V_T2V_Music-Video_multi-scene_full_render.json " workflow. I ran it exactly as is, just using GGUF Models and my own images. Prompt, title, I left everything exactly as it was in the original workflow. I only used the first and second scenes for testing.

System:
About
ComfyUI 0.22.0
ComfyUI_frontend v1.46.0
Templates v0.9.79

System Info
OS: win32
Python Version: 3.12.10 (tags/v3.12.10:0cc8128, Apr 8 2025, 12:21:36) [MSC v.1943 64 bit (AMD64)]
Embedded Python: true
Pytorch Version: 2.9.1+cu130
Arguments:
ComfyUI\main.py --windows-standalone-build --disable-dynamic-vram --use-sage-attention --lowvram --reserve-vram=4 --disable-smart-memory --disable-pinned-memory --fast fp16_accumulation --disable-async-offload --preview-method=none --front-end-version Comfy-Org/ComfyUI_frontend@latest --output-directory E:\Comfyui_Output --input-directory E:\Comfyui_Input

RAM Total: 31.93 GB
RAM Free: 12.48 GB
Templates Version: 0.9.79

Devices
Name: cuda:0 NVIDIA GeForce RTX 4060 : cudaMallocAsync
Type: cuda
VRAM Total: 8 GB
VRAM Free: 6.89 GB
Torch VRAM Total: 32 MB
Torch VRAM Free: 23.88 MB

Error message:

got prompt
Requested to load AudioVAE
loaded completely; 693.46 MB loaded, full load: True
VAE load device: cuda:0, offload device: cpu, dtype: torch.bfloat16
gguf qtypes: F32 (2672), BF16 (28), Q3_K (1744)
model weight dtype torch.bfloat16, manual cast: None
model_type FLUX
Requested to load LTXAV
loaded partially; 2068.13 MB usable, 1985.56 MB loaded, 7568.18 MB offloaded, 82.56 MB buffer reserved, lowvram patches: 0
100%|██████████████████████████████████████████████████████████████████| 8/8 [03:26<00:00, 25.84s/it]
Requested to load VideoVAE
loaded completely; 2068.12 MB usable, 1384.94 MB loaded, full load: True
Requested to load LTXAV
0 models unloaded.
loaded partially; 0.00 MB usable, 0.00 MB loaded, 9553.75 MB offloaded, 1152.14 MB buffer reserved, lowvram patches: 0
100%|██████████████████████████████████████████████████████████████████| 3/3 [03:05<00:00, 61.99s/it]
Requested to load VideoVAE
0 models unloaded.
loaded partially; 0.00 MB usable, 0.00 MB loaded, 1384.94 MB offloaded, 216.01 MB buffer reserved, lowvram patches: 0
Requested to load AudioVAE
loaded completely; 693.46 MB loaded, full load: True
Requested to load VideoVAE
loaded completely; 2068.12 MB usable, 1384.94 MB loaded, full load: True
Requested to load LTXAV
loaded partially; 2064.13 MB usable, 1981.56 MB loaded, 7572.18 MB offloaded, 82.56 MB buffer reserved, lowvram patches: 0
100%|██████████████████████████████████████████████████████████████████| 8/8 [03:09<00:00, 23.65s/it]
Requested to load VideoVAE
loaded completely; 2068.12 MB usable, 1384.94 MB loaded, full load: True
Requested to load LTXAV
0 models unloaded.
loaded partially; 0.00 MB usable, 0.00 MB loaded, 9553.75 MB offloaded, 1152.14 MB buffer reserved, lowvram patches: 0
100%|██████████████████████████████████████████████████████████████████| 3/3 [02:59<00:00, 59.94s/it]
Requested to load VideoVAE
0 models unloaded.
loaded partially; 0.00 MB usable, 0.00 MB loaded, 1384.94 MB offloaded, 216.01 MB buffer reserved, lowvram patches: 0
VRAMdebug: free memory before: 7,322,541,856
VRAMdebug: free memory after: 7,322,541,856
VRAMdebug: freed memory: 0
!!! Exception during processing !!! 'int' object has no attribute 'shape'
Traceback (most recent call last):
File "E:\ComfyUI-Easy-Install\ComfyUI\execution.py", line 535, in execute
output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "E:\ComfyUI-Easy-Install\ComfyUI\execution.py", line 335, in get_output_data
return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "E:\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-lora-manager\py\metadata_collector\metadata_hook.py", line 171, in async_map_node_over_list_with_metadata
results = await original_map_node_over_list(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "E:\ComfyUI-Easy-Install\ComfyUI\execution.py", line 309, in _async_map_node_over_list
await process_inputs(input_dict, i)
File "E:\ComfyUI-Easy-Install\ComfyUI\execution.py", line 297, in process_inputs
result = f(**inputs)
^^^^^^^^^^^
File "E:\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-KJNodes\nodes\image_nodes.py", line 2603, in combine
max_ch = max(max_ch, img.shape[-1])
^^^^^^^^^
AttributeError: 'int' object has no attribute 'shape'

Prompt executed in 00:29:06