ONNX Model Fail to run

Hi have exported the espnet model trained on my custom dataset using espnet_onnx. Model fails to work properly on some audios. Below is the error which i am getting

```
Non-zero status code returned while running Add node. Name:'/encoders/encoders.0/self_attn/Add' Status Message: /encoders/encoders.0/self_attn/Add: right operand cannot broadcast on dim 3 LeftShape: {1,8,171,171}, RightShape: {1,1,1,127}
```

Any idea what could be the issue here. I have infered model on 1500 audio clips and i am getting exactly same error on around 400 audio clips.