WEBUI 스테이블 디퓨전 VAE 적용 안됨 오류 해결방법

VAE 적용 안됨 오류

코랩을 사용할 때 아래와 같은 오류 메시지 발생.

vae 적용이 안되고 setting stable diffusion에서
sd vae 설정 자리에 sd unet?라고 표시되는 경우 해결방법입니다.

/* CMD 오류 화면  */

Loading VAE weights specified in settings: /content/gdrive/MyDrive/sd/stable-diffusion-webui/models/VAE/vaeFtMse840000Ema_v10.safetensors

changing setting sd_vae to vaeFtMse840000Ema_v10.safetensors: SafetensorError

Traceback (most recent call last):

  File "/content/gdrive/MyDrive/sd/stable-diffusion-webui/modules/shared.py", line 633, in set

    self.data_labels[key].onchange()

  File "/content/gdrive/MyDrive/sd/stable-diffusion-webui/modules/call_queue.py", line 14, in f

    res = func(*args, **kwargs)

  File "/content/gdrive/MyDrive/sd/stable-diffusion-webui/webui.py", line 239, in <lambda>

    shared.opts.onchange("sd_vae", wrap_queued_call(lambda: modules.sd_vae.reload_vae_weights()), call=False)

  File "/content/gdrive/MyDrive/sd/stable-diffusion-webui/modules/sd_vae.py", line 204, in reload_vae_weights

    load_vae(sd_model, vae_file, vae_source)

  File "/content/gdrive/MyDrive/sd/stable-diffusion-webui/modules/sd_vae.py", line 142, in load_vae

    vae_dict_1 = load_vae_dict(vae_file, map_location=shared.weight_load_location)

  File "/content/gdrive/MyDrive/sd/stable-diffusion-webui/modules/sd_vae.py", line 120, in load_vae_dict

    vae_ckpt = sd_models.read_state_dict(filename, map_location=map_location)

  File "/content/gdrive/MyDrive/sd/stable-diffusion-webui/modules/sd_models.py", line 253, in read_state_dict

    pl_sd = safetensors.torch.load_file(checkpoint_file, device=device)

  File "/usr/local/lib/python3.10/dist-packages/safetensors/torch.py", line 259, in load_file

    with safe_open(filename, framework="pt", device=device) as f:

safetensors_rust.SafetensorError: Error while deserializing header: MetadataIncompleteBuffer

해결방법

vae 파일을 노트북 내에서 옮기거나 노트북 화면에서
폴더에 넣으면 파일이 손상돼서 에러가 발생하는 경우입니다.

G드라이브를 통해 직접적으로 폴더에 넣어주면 해결됩니다.