RuntimeError: mat1 and mat2 must have the same dtype

[wen020]

The steps I run are below:
git clone https://github.com/LambdaLabsML/lambda-diffusers.git
cd lambda-diffusers
python -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt

And run the benchmark file:
python ./scripts/benchmark.py

But i get this error: