Launch error about vicuna.ps1

[fuji246]

tried to run as admin:

Log start
main: build = 1431 (c8d6a1f)
main: built with MSVC 19.35.32217.1 for x64
main: seed = 1698425282
gguf_init_from_file: invalid magic characters tjgg.
error loading model: llama_model_loader: failed to load model from C:\VICUNA\ggml-vicuna-13b-4bit.bin

llama_load_model_from_file: failed to load model
llama_init_from_gpt_params: error: failed to load model 'C:\VICUNA\ggml-vicuna-13b-4bit.bin'
main: error: unable to load model
Press any key to continue . . .

[fuji246]

Tried 7b model too, the similar error