The documentation page API/LOADERS/&AMP;NUM;DIFFUSERS.LOADERS.PEFTADAPTERMIXIN.ADD_ADAPTER.ADAPTER_CONFIG doesn’t exist in v0.29.1, but exists on the main version. Click <a href="/docs/diffusers/main/en/api/loaders/&amp;num;diffusers.loaders.PeftAdapterMixin.add_adapter.adapter_config">here</a> to redirect to the main version of the documentation.