invalid magic characters tjgg.

[for-the-zero]

Model: huggingface TheBloke llama-2-7b-chat-ggml llama-2-7b-chat.ggmlv3.q4_0.bin

system: windows10 1909

just want to run on cpu

by using Releases:

PS E:\llama-b1440-bin-win-avx-x64-github-llamacpp> .\main -m llama-2-7b-chat.ggmlv3.q4_0.bin -n 128
Log start
main: build = 1440 (82a6646)
main: built with MSVC 19.35.32217.1 for x64
main: seed  = 1699142125
gguf_init_from_file: invalid magic characters tjgg.
error loading model: llama_model_loader: failed to load model from llama-2-7b-chat.ggmlv3.q4_0.bin

llama_load_model_from_file: failed to load model
llama_init_from_gpt_params: error: failed to load model 'llama-2-7b-chat.ggmlv3.q4_0.bin'
main: error: unable to load model

by using llama-cpp-python:

PS C:\Users\hao\Desktop\llama2> py
Python 3.9.6 (tags/v3.9.6:db3ff76, Jun 28 2021, 15:26:21) [MSC v.1929 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from llama_cpp import Llama
>>> llm = Llama(model_path="llama-2-7b-chat.ggmlv3.q4_0.bin")
gguf_init_from_file: invalid magic characters tjgg.
error loading model: llama_model_loader: failed to load model from llama-2-7b-chat.ggmlv3.q4_0.bin

llama_load_model_from_file: failed to load model
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "E:\python\lib\site-packages\llama_cpp\llama.py", line 367, in __init__
    assert self.model is not None
AssertionError

[Galunid]

You are trying to run .bin (ggml) model. Right now the correct format is gguf. You can download correct models at https://huggingface.co/TheBloke/Llama-2-7B-Chat-GGUF