我下载了用于测试 DeepSpeech 的模型目录。当我按照此处的说明进行操作时，出现此错误：
python3 mic_vad_streaming.py --model deepspeech-0.6.1-models/output_graph.pbmm
Initializing model...
INFO:root:ARGS.model: deepspeech-0.6.1-models/output_graph.pbmm
TensorFlow: v1.14.0-21-ge77504a
DeepSpeech: v0.6.0-0-g6d43e21
2020-02-25 15:57:17.741956: I tensorflow/core/platform/cpu_feature_guard.cc:142] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2 FMA
INFO:root:ARGS.lm: lm.binary
INFO:root:ARGS.trie: trie
[native_client/ctcdecode/scorer.cpp:77] FATAL: "(access(filename, 4)) == (0)" check failed. Invalid language model pathSegmentation fault (core dumped)
有人可以帮我弄清楚那里出了什么问题吗？