Why does the node require the checkpoints folder to be present in the output directory?

[MNeMoNiCuZ]

100%|██████████████████████████████████████████████████████████████████████████████| 12/12 [00:14<00:00,  1.23s/it]
!!! Exception during processing !!! [WinError 2] The system cannot find the file specified: 'C:\\AI\\ComfyUI\\output\\checkpoints'
Traceback (most recent call last):
  File "C:\AI\ComfyUI\execution.py", line 510, in execute
    output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, hidden_inputs=hidden_inputs)
                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\execution.py", line 324, in get_output_data
    return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, hidden_inputs=hidden_inputs)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\execution.py", line 298, in _async_map_node_over_list
    await process_inputs(input_dict, i)
  File "C:\AI\ComfyUI\execution.py", line 286, in process_inputs
    result = f(**inputs)
             ^^^^^^^^^^^
  File "C:\AI\ComfyUI\custom_nodes\ComfyUI-SaveImageWithMetaData\py\nodes\node.py", line 89, in save_images
    pnginfo_dict_src = self.gen_pnginfo(
                       ^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\custom_nodes\ComfyUI-SaveImageWithMetaData\py\nodes\node.py", line 186, in gen_pnginfo
    inputs = Capture.get_inputs()
             ^^^^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\custom_nodes\ComfyUI-SaveImageWithMetaData\py\capture.py", line 25, in get_inputs
    input_data = get_input_data(
                 ^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\custom_nodes\ComfyUI-SaveImageWithMetaData\py\__init__.py", line 12, in run
    return function(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\execution.py", line 152, in get_input_data
    valid_inputs = class_def.INPUT_TYPES()
                   ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\nodes.py", line 564, in INPUT_TYPES
    "ckpt_name": (folder_paths.get_filename_list("checkpoints"), {"tooltip": "The name of the checkpoint (model) to load."}),
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\folder_paths.py", line 420, in get_filename_list
    out = cached_filename_list_(folder_name)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\AI\ComfyUI\folder_paths.py", line 407, in cached_filename_list_
    if os.path.getmtime(folder) != time_modified:
       ^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen genericpath>", line 67, in getmtime
FileNotFoundError: [WinError 2] The system cannot find the file specified: 'C:\\AI\\ComfyUI\\output\\checkpoints'