LLAMA 2 70B convert fails with: failed to find n_mult for (n_ff=28672, n_embd=8192) #2286

python C:\src\llama.cpp\convert.py --outfile ggml-model-f16.bin --outtype f16 .
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Traceback (most recent call last):
File "C:\src\llama.cpp\convert.py", line 1264, in
main()
File "C:\src\llama.cpp\convert.py", line 1253, in main
params = Params.load(model_plus)
File "C:\src\llama.cpp\convert.py", line 203, in load
params = Params.loadHFTransformerJson(model_plus.model, hf_transformer_config_path)
File "C:\src\llama.cpp\convert.py", line 187, in loadHFTransformerJson
n_mult = find_n_mult(n_ff, n_embd);
File "C:\src\llama.cpp\convert.py", line 140, in find_n_mult
raise Exception(f"failed to find n_mult for (n_ff={n_ff}, n_embd={n_embd}).")
Exception: failed to find n_mult for (n_ff=28672, n_embd=8192).