The documentation page EXPORTERS/ONNX/PACKAGE_REFERENCE/&AMP;NUM;OPTIMUM.EXPORTERS.ONNX.ONNXCONFIG.CONFIG doesn’t exist in v1.21.2, but exists on the main version. Click <a href="/docs/optimum/main/en/exporters/onnx/package_reference/&amp;num;optimum.exporters.onnx.OnnxConfig.config">here</a> to redirect to the main version of the documentation.