Worked fine last night then today getting issues.

[dorothythul]

I did not do anything but start comfy today and got his error when it was working fine last night.. I updated comfy multiple times, uninstalled and reinstalled bitsandbytes. when i try and run it now i get this error.

Error occurred when executing CheckpointLoaderNF4:

Expecting value: line 1 column 1 (char 0)

File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\execution.py", line 152, in recursive_execute
output_data, output_ui = get_output_data(obj, input_data_all)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\execution.py", line 82, in get_output_data
return_values = map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\execution.py", line 75, in map_node_over_list
results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI_bitsandbytes_NF4_init_.py", line 178, in load_checkpoint
out = comfy.sd.load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=True, embedding_directory=folder_paths.get_folder_paths("embeddings"), model_options={"custom_operations": OPS})
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\comfy\sd.py", line 511, in load_checkpoint_guess_config
out = load_state_dict_guess_config(sd, output_vae, output_clip, output_clipvision, embedding_directory, output_model, model_options)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\comfy\sd.py", line 553, in load_state_dict_guess_config
model.load_model_weights(sd, diffusion_model_prefix)
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\comfy\model_base.py", line 225, in load_model_weights
m, u = self.diffusion_model.load_state_dict(to_load, strict=False)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\nn\modules\module.py", line 2201, in load_state_dict
load(self, state_dict)
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\nn\modules\module.py", line 2189, in load
load(child, child_state_dict, child_prefix) # noqa: F821
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\nn\modules\module.py", line 2189, in load
load(child, child_state_dict, child_prefix) # noqa: F821
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\nn\modules\module.py", line 2189, in load
load(child, child_state_dict, child_prefix) # noqa: F821
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\nn\modules\module.py", line 2183, in load
module.load_from_state_dict(
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI_bitsandbytes_NF4_init.py", line 97, in load_from_state_dict
self.weight = ForgeParams4bit.from_prequantized(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\bitsandbytes\nn\modules.py", line 281, in from_prequantized
self.quant_state = QuantState.from_dict(qs_dict=quantized_stats, device=device)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\bitsandbytes\functional.py", line 709, in from_dict
qs_dict.update(unpack_tensor_to_dict(qs_dict.pop(first_qs_key)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\COMFY\ComfyUI\ComfyUI_windows_portable\python_embeded\Lib\site-packages\bitsandbytes\utils.py", line 198, in unpack_tensor_to_dict
unpacked_dict = json.loads(json_str)
^^^^^^^^^^^^^^^^^^^^
File "json_init.py", line 346, in loads
File "json\decoder.py", line 337, in decode
File "json\decoder.py", line 355, in raw_decode

[cocodee]

met the same issue