Error occurred when executing UpscaleModelLoader

I get this error with the load upscaler model.

Error occurred when executing UpscaleModelLoader:

Weights only load failed. Re-running `torch.load` with `weights_only` set to `False` will likely succeed, but it can result in arbitrary code execution.Do it only if you get the file from a trusted source. WeightsUnpickler error: Unsupported class pytorch_lightning.callbacks.model_checkpoint.ModelCheckpoint

File "K:\ComfyUI\ComfyUI_Ex\ComfyUI\execution.py", line 152, in recursive_execute
output_data, output_ui = get_output_data(obj, input_data_all)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "K:\ComfyUI\ComfyUI_Ex\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 "K:\ComfyUI\ComfyUI_Ex\ComfyUI\execution.py", line 75, in map_node_over_list
results.append(getattr(obj, func)(**slice_dict(input_data_all, i)))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "K:\ComfyUI\ComfyUI_Ex\ComfyUI\comfy_extras\nodes_upscale_model.py", line 20, in load_model
sd = comfy.utils.load_torch_file(model_path, safe_load=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "K:\ComfyUI\ComfyUI_Ex\ComfyUI\comfy\utils.py", line 20, in load_torch_file
pl_sd = torch.load(ckpt, map_location=device, weights_only=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "K:\ComfyUI\ComfyUI_Ex\python_miniconda_env\ComfyUI\Lib\site-packages\torch\serialization.py", line 1025, in load
raise pickle.UnpicklingError(UNSAFE_MESSAGE + str(e)) from None