A.7 macOS Troubleshooting
| Error | Solution |
|---|---|
| Training fails with MPS error | export PYTORCH_ENABLE_MPS_FALLBACK=1 before launching the tool |
| OpenMP runtime error | export KMP_DUPLICATE_LIB_OK=TRUE before launching |
| ONNX export fails | pip install --upgrade onnx onnxruntime |
| Conda not found after install | source ~/.zshrc then: conda --version |
| Tool crashes on launch | Ensure arm64-native Python environment — x86_64 under Rosetta 2 may have issues |