2noise/ChatTTS · error · ValueError

{self.quantization} quantization is currently not supported

Error message

{self.quantization} quantization is currently not supported in ROCm.

What it means

Error "{self.quantization} quantization is currently not supported in ROCm." thrown in 2noise/ChatTTS.

Source

Thrown at ChatTTS/model/velocity/configs.py:186

            hf_quant_method = str(hf_quant_config["quant_method"]).lower()
            if self.quantization is None:
                self.quantization = hf_quant_method
            elif self.quantization != hf_quant_method:
                raise ValueError(
                    "Quantization method specified in the model config "
                    f"({hf_quant_method}) does not match the quantization "
                    f"method specified in the `quantization` argument "
                    f"({self.quantization})."
                )

        if self.quantization is not None:
            if self.quantization not in supported_quantization:
                raise ValueError(
                    f"Unknown quantization method: {self.quantization}. Must "
                    f"be one of {supported_quantization}."
                )
            if is_hip() and self.quantization in rocm_not_supported_quantization:
                raise ValueError(
                    f"{self.quantization} quantization is currently not supported "
                    f"in ROCm."
                )
            logger.warning(
                f"{self.quantization} quantization is not fully "
                "optimized yet. The speed can be slower than "
                "non-quantized models."
            )

    def _verify_cuda_graph(self) -> None:
        if self.max_context_len_to_capture is None:
            self.max_context_len_to_capture = self.max_model_len
        self.max_context_len_to_capture = min(
            self.max_context_len_to_capture, self.max_model_len
        )

    def verify_with_parallel_config(
        self,

View on GitHub (pinned to 77b89ee281)

When it happens

Trigger: Thrown at ChatTTS/model/velocity/configs.py:186 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of 2noise/ChatTTS@77b89ee281 (2026-08-26). Data as JSON: /api/errors/f6e8f5ca3cc9a6e0. Report an issue: GitHub.