The generated file "entity2vec.bern" or "relation2vec.bern" are empty when i use TransE

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Hello,
I got the problem that the generated file "entity2vec.bern" or "relation2vec.bern" are empty when I use TransE.
I run the code as following:

1. g++ Train_TransE.cpp -o Train_TransE -O2
2. 2.exe
3. The generated file are empty .
   What is the problem.
   Thank you very much!