r/comfyui•
thatguyjames_uk

help with error from using ltx imgtovideo

Hi all, cant seem to get past this error today

# ComfyUI Error Report

## Error Details

- **Node ID:** 100

- **Node Type:** RIFE VFI

- **Exception Type:** RuntimeError

- **Exception Message:** PytorchStreamReader failed reading zip archive: failed finding central directory

## Stack Trace

```

File "C:\Users\jessi\Desktop\ComfyUI_windows_portable\ComfyUI\execution.py", line 327, in execute

output_data, output_ui, has_subgraph = get_output_data(obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\jessi\Desktop\ComfyUI_windows_portable\ComfyUI\execution.py", line 202, in get_output_data

return_values = _map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\jessi\Desktop\ComfyUI_windows_portable\ComfyUI\execution.py", line 174, in _map_node_over_list

process_inputs(input_dict, i)

File "C:\Users\jessi\Desktop\ComfyUI_windows_portable\ComfyUI\execution.py", line 163, in process_inputs

results.append(getattr(obj, func)(**inputs))

^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\jessi\Desktop\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-frame-interpolation\vfi_models\rife\__init__.py", line 93, in vfi

interpolation_model.load_state_dict(torch.load(model_path))

^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\jessi\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\serialization.py", line 1432, in load

with _open_zipfile_reader(opened_file) as opened_zipfile:

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "C:\Users\jessi\Desktop\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\serialization.py", line 763, in __init__

super().__init__(torch._C.PyTorchFileReader(name_or_buffer))

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

```

## System Information

- **ComfyUI Version:** 0.3.24

- **Arguments:** ComfyUI\main.py

- **OS:** nt

- **Python Version:** 3.12.9 (tags/v3.12.9:fdb8142, Feb 4 2025, 15:27:58) [MSC v.1942 64 bit (AMD64)]

- **Embedded Python:** true

- **PyTorch Version:** 2.6.0+cu126

## Devices

- **Name:** cuda:0 NVIDIA GeForce RTX 3060 : cudaMallocAsync

- **Type:** cuda

- **VRAM Total:** 12884377600

- **VRAM Free:** 5353736026

- **Torch VRAM Total:** 6476005376

- **Torch VRAM Free:** 93030234

Posted Mar 8, 2025, 12:47 PM UTC

09
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