The documentation page MODEL_DOC/&AMP;NUM;TRANSFORMERS.VITHYBRIDCONFIG.BACKBONE_CONFIG doesn’t exist in v4.42.0, but exists on the main version. Click <a href="/docs/transformers/main/en/model_doc/&amp;num;transformers.ViTHybridConfig.backbone_config">here</a> to redirect to the main version of the documentation.