为何始终报错无法出图，怎么设置都是报错
Error completing request
Arguments: ('1girl, 3fish,wind,bird,wings', '', 'None', 'None', 20, 0, True, False, 1, 1, 7, -1.0, -1.0, 0, 0, 0, False, 512, 512, False, 0.7, 0, 0, 0, 0.9, 5, '0.0001', False, 'None', '', 0.1, False, False, False, False, '', 1, '', 0, '', True, False, False) {}
Traceback (most recent call last):
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\modules\ui.py", line 185, in f
res = list(func(*args, **kwargs))
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\webui.py", line 54, in f
res = func(*args, **kwargs)
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\modules\txt2img.py", line 48, in txt2img
processed = process_images(p)
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\modules\processing.py", line 423, in process_images
res = process_images_inner(p)
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\modules\processing.py", line 546, in process_images_inner
x_sample = modules.face_restoration.restore_faces(x_sample)
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\modules\face_restoration.py", line 19, in restore_faces
return face_restorer.restore(np_image)
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\modules\codeformer_model.py", line 85, in restore
self.create_models()
File "G:\stable-diffusion-webui_full\stable-diffusion-webui\modules\codeformer_model.py", line 64, in create_models
checkpoint = torch.load(ckpt_path)['params_ema']
TypeError: 'NoneType' object is not subscriptable