Error (readlink: missing operand)

[sake2121]

/content/sdw
readlink: missing operand
Try 'readlink --help' for more information.
usage: launch.py
[-h]
[--update-all-extensions]
[--skip-python-version-check]
[--skip-torch-cuda-test]
[--reinstall-xformers]
[--reinstall-torch]
[--update-check]
[--test-server]
[--skip-prepare-environment]
[--skip-install]
[--data-dir DATA_DIR]
[--config CONFIG]
[--ckpt CKPT]
[--ckpt-dir CKPT_DIR]
[--vae-dir VAE_DIR]
[--gfpgan-dir GFPGAN_DIR]
[--gfpgan-model GFPGAN_MODEL]
[--no-half]
[--no-half-vae]
[--no-progressbar-hiding]
[--max-batch-count MAX_BATCH_COUNT]
[--embeddings-dir EMBEDDINGS_DIR]
[--textual-inversion-templates-dir TEXTUAL_INVERSION_TEMPLATES_DIR]
[--hypernetwork-dir HYPERNETWORK_DIR]
[--localizations-dir LOCALIZATIONS_DIR]
[--allow-code]
[--medvram]
[--lowvram]
[--lowram]
[--always-batch-cond-uncond]
[--unload-gfpgan]
[--precision {full,autocast}]
[--upcast-sampling]
[--share]
[--ngrok NGROK]
[--ngrok-region NGROK_REGION]
[--ngrok-options NGROK_OPTIONS]
[--enable-insecure-extension-access]
[--codeformer-models-path CODEFORMER_MODELS_PATH]
[--gfpgan-models-path GFPGAN_MODELS_PATH]
[--esrgan-models-path ESRGAN_MODELS_PATH]
[--bsrgan-models-path BSRGAN_MODELS_PATH]
[--realesrgan-models-path REALESRGAN_MODELS_PATH]
[--clip-models-path CLIP_MODELS_PATH]
[--xformers]
[--force-enable-xformers]
[--xformers-flash-attention]
[--deepdanbooru]
[--opt-split-attention]
[--opt-sub-quad-attention]
[--sub-quad-q-chunk-size SUB_QUAD_Q_CHUNK_SIZE]
[--sub-quad-kv-chunk-size SUB_QUAD_KV_CHUNK_SIZE]
[--sub-quad-chunk-threshold SUB_QUAD_CHUNK_THRESHOLD]
[--opt-split-attention-invokeai]
[--opt-split-attention-v1]
[--opt-sdp-attention]
[--opt-sdp-no-mem-attention]
[--disable-opt-split-attention]
[--disable-nan-check]
[--use-cpu USE_CPU [USE_CPU ...]]
[--listen]
[--port PORT]
[--show-negative-prompt]
[--ui-config-file UI_CONFIG_FILE]
[--hide-ui-dir-config]
[--freeze-settings]
[--ui-settings-file UI_SETTINGS_FILE]
[--gradio-debug]
[--gradio-auth GRADIO_AUTH]
[--gradio-auth-path GRADIO_AUTH_PATH]
[--gradio-img2img-tool GRADIO_IMG2IMG_TOOL]
[--gradio-inpaint-tool GRADIO_INPAINT_TOOL]
[--gradio-allowed-path GRADIO_ALLOWED_PATH]
[--opt-channelslast]
[--styles-file STYLES_FILE]
[--autolaunch]
[--theme THEME]
[--use-textbox-seed]
[--disable-console-progressbars]
[--enable-console-prompts]
[--vae-path VAE_PATH]
[--disable-safe-unpickle]
[--api]
[--api-auth API_AUTH]
[--api-log]
[--nowebui]
[--ui-debug-mode]
[--device-id DEVICE_ID]
[--administrator]
[--cors-allow-origins CORS_ALLOW_ORIGINS]
[--cors-allow-origins-regex CORS_ALLOW_ORIGINS_REGEX]
[--tls-keyfile TLS_KEYFILE]
[--tls-certfile TLS_CERTFILE]
[--disable-tls-verify]
[--server-name SERVER_NAME]
[--gradio-queue]
[--no-gradio-queue]
[--skip-version-check]
[--no-hashing]
[--no-download-sd-model]
[--subpath SUBPATH]
[--add-stop-route]
launch.py: error: argument --vae-path: