It has been installed according to your requirements, but it still doesn't match.

[tianshanxin]

Error occurred when executing DiffusersStableCascade:

Cannot load H:\ComfyUI-ainewsto\ComfyUI.cache\huggingface\hub\models--stabilityai--stable-cascade\snapshots\f2a84281d6f8db3c757195dd0c9a38dbdea90bb4\decoder because embedding.1.weight expected shape tensor(..., device='meta', size=(320, 64, 1, 1)), but got torch.Size([320, 16, 1, 1]). If you want to instead overwrite randomly initialized weights, please make sure to pass both low_cpu_mem_usage=False and ignore_mismatched_sizes=True. For more information, see also: https://github.com/huggingface/diffusers/issues/1619#issuecomment-1345604389 as an example.

diffusers The version of does not match.But I downloaded this according to your request.

[GalaxyTimeMachine]

This is the same as the previous issue, #13, so have a look at my comment in that for a possible solution.

[kijai]

The diffusers fork needed for this is still under development, something changed somewhere and broke things, there are ways to fix this, but honestly I wouldn't worry too much as the official comfy support is on the way.