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

[mostafablender]

Hi
i dont know what to do i downloaded all the files and put in the comfyUi folders right as it should be i dont know why i get this error :

File "D:\Games\SSSSSSSSSSS\new_ComfyUI_windows_portable_nvidia_cu121_or_cpu\ComfyUI_windows_portable\ComfyUI\execution.py", line 151, in recursive_execute
output_data, output_ui = get_output_data(obj, input_data_all)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Games\SSSSSSSSSSS\new_ComfyUI_windows_portable_nvidia_cu121_or_cpu\ComfyUI_windows_portable\ComfyUI\execution.py", line 81, in get_output_data
return_values = map_node_over_list(obj, input_data_all, obj.FUNCTION, allow_interrupt=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Games\SSSSSSSSSSS\new_ComfyUI_windows_portable_nvidia_cu121_or_cpu\ComfyUI_windows_portable\ComfyUI\execution.py", line 74, in map_node_over_list
results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Games\SSSSSSSSSSS\new_ComfyUI_windows_portable_nvidia_cu121_or_cpu\ComfyUI_windows_portable\ComfyUI\nodes.py", line 891, in load_clip
clip_vision = comfy.clip_vision.load(clip_path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Games\SSSSSSSSSSS\new_ComfyUI_windows_portable_nvidia_cu121_or_cpu\ComfyUI_windows_portable\ComfyUI\comfy\clip_vision.py", line 113, in load
sd = load_torch_file(ckpt_path)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Games\SSSSSSSSSSS\new_ComfyUI_windows_portable_nvidia_cu121_or_cpu\ComfyUI_windows_portable\ComfyUI\comfy\utils.py", line 14, in load_torch_file
if ckpt.lower().endswith(".safetensors"):
^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'lower'