A1111 UI :: RuntimeError: PytorchStreamReader failed reading file data/25: invalid header or archive is corrupted

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Hello,

I've been trying to get ControlNet to function in A1111, but regardless of what I'm trying to do it always returns this error:

````
2024-01-23 22:40:49,817 - ControlNet - INFO - unit_separate = False, style_align = False
2024-01-23 22:40:50,253 - ControlNet - INFO - Loading model: control_sd15_openpose [fef5e48e]
*** Error running process: D:\ai\stable-diffusion-webui\extensions\sd-webui-controlnet\scripts\controlnet.py
Traceback (most recent call last):
File "D:\ai\stable-diffusion-webui\modules\scripts.py", line 718, in process
script.process(p, *script_args)
File "D:\ai\stable-diffusion-webui\extensions\sd-webui-controlnet\scripts\controlnet.py", line 1117, in process
self.controlnet_hack(p)
File "D:\ai\stable-diffusion-webui\extensions\sd-webui-controlnet\scripts\controlnet.py", line 1102, in controlnet_hack
self.controlnet_main_entry(p)
File "D:\ai\stable-diffusion-webui\extensions\sd-webui-controlnet\scripts\controlnet.py", line 882, in controlnet_main_entry
model_net, control_model_type = Script.load_control_model(p, unet, unit.model)
File "D:\ai\stable-diffusion-webui\extensions\sd-webui-controlnet\scripts\controlnet.py", line 343, in load_control_model
control_model = Script.build_control_model(p, unet, model)
File "D:\ai\stable-diffusion-webui\extensions\sd-webui-controlnet\scripts\controlnet.py", line 371, in build_control_model
state_dict = load_state_dict(model_path)
File "D:\ai\stable-diffusion-webui\extensions\sd-webui-controlnet\scripts\utils.py", line 21, in load_state_dict
state_dict = unsafe_torch_load(ckpt_path, map_location=torch.device(location))
File "D:\ai\stable-diffusion-webui\venv\lib\site-packages\torch\serialization.py", line 712, in load
return _load(opened_zipfile, map_location, pickle_module, **pickle_load_args)
File "D:\ai\stable-diffusion-webui\venv\lib\site-packages\torch\serialization.py", line 1049, in _load
result = unpickler.load()
File "D:\Program Files\Python310\lib\pickle.py", line 1213, in load
dispatch[key[0]](self)
File "D:\Program Files\Python310\lib\pickle.py", line 1254, in load_binpersid
self.append(self.persistent_load(pid))
File "D:\ai\stable-diffusion-webui\venv\lib\site-packages\torch\serialization.py", line 1019, in persistent_load
load_tensor(dtype, nbytes, key, _maybe_decode_ascii(location))
File "D:\ai\stable-diffusion-webui\venv\lib\site-packages\torch\serialization.py", line 997, in load_tensor
storage = zip_file.get_storage_from_record(name, numel, torch._UntypedStorage).storage()._untyped()
RuntimeError: PytorchStreamReader failed reading file data/25: invalid header or archive is corrupted
````

I've already updated A1111 to 1.7.0, and I have uninstalled and reinstalled ControlNet twice, but still no luck.

Please advise.

Start with scripts/controlnet.py and scripts/utils.py, following the control_sd15_openpose loading path shown in the traceback. Reproduce the model-loading failure and inspect the referenced checkpoint before determining whether the issue is in ControlNet or the model archive. Done means documenting a reproducible cause and a verified resolution.

Written by the indexing model from the issue text.