[ERROR:0] global C:\build\master_winpack-build-win64-vc15\opencv\modules\dnn\src\onnx\onnx_importer.cpp (1878) cv::dnn::dnn4_v20201117::ONNXImporter::handleNode DNN/ONNX: ERROR during processing node with 1 inputs and 1 outputs: [Exp]:(472)
  OpenCV: terminate handler is called! The last OpenCV error is:
  OpenCV(4.5.1) Error: Unspecified error (> Node [Exp]:(472) parse error: OpenCV(4.5.1) C:\build\master_winpack-build-win64-vc15\opencv\modules\dnn\src\dnn.cpp:614: error: (-2:Unspecified error) Can't create layer "472" of type "Exp" in function 'cv::dnn::dnn4_v20201117::LayerData::getLayerInstance'
  > ) in cv::dnn::dnn4_v20201117::ONNXImporter::handleNode, file C:\build\master_winpack-build-win64-vc15\opencv\modules\dnn\src\onnx\onnx_importer.cpp, line 1887

#include <opencv2/dnn.hpp>

void main() {
  cv::dnn::Net net = cv::dnn::readNetFromONNX( "version-RFB-320.onnx" );
}