- mlx-lm is not installed in the selected Python environment
- The companion launches a different environment
- The device is not an Apple silicon Mac
- The command profile is incorrect
training
MLX-LM is not installed or detected
GoldCap prepared data, but the user’s local environment cannot launch the configured MLX-LM command.

- ModuleNotFoundError: No module named 'mlx_lm'
- MLX toolkit unavailable
- mlx_lm: command not found
- Do not claim training started when only data preparation finished
- Do not use MLX-LM instructions on unsupported hardware