AttributeError: 'NoneType' object has no attribute 'lower'

[axiomgraph]

Traceback (most recent call last):
File "C:\Users\xxx\MagicQuill\gradio_run.py", line 25, in
scribbleColorEditModel = ScribbleColorEditModel()
File "C:\Users\xxx\MagicQuill\MagicQuill\scribble_color_edit.py", line 29, in init
self.model, self.clip, self.vae = self.checkpoint_loader.load_checkpoint(self.ckpt_name)
File "C:\Users\xxx\MagicQuill\MagicQuill\comfyui_utils.py", line 85, 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"))
File "C:\Users\xxx\MagicQuill\MagicQuill\comfy\sd.py", line 498, in load_checkpoint_guess_config
sd = comfy.utils.load_torch_file(ckpt_path)
File "C:\Users\xxx\MagicQuill\MagicQuill\comfy\utils.py", line 13, in load_torch_file
if ckpt.lower().endswith(".safetensors"):
AttributeError: 'NoneType' object has no attribute 'lower'

[balorhot]

I'm getting the same thing

[balorhot]

The problem was due to using a corrupted models directory.
It worked OK after successfully downloading models.zip ( after about 12 attempts)