Assertion fails with latest vesion of EMDAL2CPP

Problem

Execution of calculator is failing at assertion after upgrading EMADL2CPP to version 0.3.6-SNAPSHOT.

execution command

./build/src/cpp/DigitCalculator resources/images/1.png resources/images/2.png resources/images/3.png resources/images/4.png resources/images/5.png resources/images/6.png

output

model/cNNCalculator.Network/model_newest-symbol.json ... 5422 bytes
model/cNNCalculator.Network/model_newest-0000.params ... 5008824 bytes
DigitCalculator: /home/dalbar/uni/sle/mn/mnistcalculator/mxnet/target/CNNPredictor_cNNCalculator_connector_predictor1.h:104: void CNNPredictor_cNNCalculator_connector_predictor1_0::init(const string&, const string&, const std::vector<std::__cxx11::basic_string<char> >&, const std::vector<std::vector<unsigned int> >&, const bool&): Assertion `handle' failed.
[1]    31350 abort (core dumped)  ./build/src/cpp/DigitCalculator resources/images/1.png resources/images/2.png