umt_xxl_fp8_e4m3fn_scaled.safetensors is not supported by Ascend NPU 910B

[binging512]

Custom Node Testing

• I have tried disabling custom nodes and the issue persists (see how to disable custom nodes if you need help)

Your question

I attempted to use the Wan2.2 Text2Video workflow provided by ComfyUI. And I know the Ascend NPU cannot support FP8 dtype. So I manually converted the FP8 (torch.float8_e4m3fn) models into FP16(torch.float16), and restarted the ComfyUI serve. However, it still report the same error when I use the converted models.

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