Assertion failed at dnn allocateLayers

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Hello,

On trying to run detection network from prototxt and caffemodel in opencv, I am running into Assertion failed issue. The net is created as expected and the input blob is of the right dimension but on trying to access the output of the net, I run into the issue given below;

The code is

String modelConfiguration = "D:/test_SSH.prototxt";
String modelBinary = "D:/SSH.caffemodel";

dnn::Net net = readNetFromCaffe(modelConfiguration, modelBinary);
Mat imgOrig = imread("path/to/img");
resize(imgOrig, imgOrig, Size(224, 224));
Mat inBlob = blobFromImage(imgOrig, 1, Size(224, 224), Scalar::all(0), false, false);
net.setInput(inBlob, "data");
Mat out = net.forward();

Any help or suggestion to solve this issue is greatly appreciated. Thanks!