Error

/home/eshaan/Desktop/gsoc/mlpack/src/mlpack/methods/reinforcement_learning/replay/hindsight_replay.hpp:236:5: error: no matching function for call to ‘std::vector<mlpack::HindsightReplay<mlpack::BitFlipping>::Transition, std::allocator<mlpack::HindsightReplay<mlpack::BitFlipping>::Transition> >::push_back(<brace-enclosed initializer list>)’
  236 |     episodeTransitions.push_back({state, action, reward, nextState, isEnd, goal});
      |     ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/9/vector:67,
                 from /home/eshaan/Desktop/gsoc/mlpack/src/mlpack/base.hpp:38,
                 from /home/eshaan/Desktop/gsoc/mlpack/src/mlpack/prereqs.hpp:15,
                 from /home/eshaan/Desktop/gsoc/mlpack/src/mlpack/core.hpp:35,
                 from /home/eshaan/Desktop/gsoc/mlpack/build/src/mlpack/tests/cotire/mlpack_test_CXX_prefix.cxx:4,
                 from /home/eshaan/Desktop/gsoc/mlpack/build/src/mlpack/tests/cotire/mlpack_test_CXX_prefix.hxx:4:
/usr/include/c++/9/bits/stl_vector.h:1184:7: note: candidate: ‘void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = mlpack::HindsightReplay<mlpack::BitFlipping>::Transition; _Alloc = std::allocator<mlpack::HindsightReplay<mlpack::BitFlipping>::Transition>; std::vector<_Tp, _Alloc>::value_type = mlpack::HindsightReplay<mlpack::BitFlipping>::Transition]’
 1184 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1184:35: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘const value_type&’ {aka ‘const mlpack::HindsightReplay<mlpack::BitFlipping>::Transition&’}
 1184 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1200:7: note: candidate: ‘void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = mlpack::HindsightReplay<mlpack::BitFlipping>::Transition; _Alloc = std::allocator<mlpack::HindsightReplay<mlpack::BitFlipping>::Transition>; std::vector<_Tp, _Alloc>::value_type = mlpack::HindsightReplay<mlpack::BitFlipping>::Transition]’
 1200 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1200:30: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘std::vector<mlpack::HindsightReplay<mlpack::BitFlipping>::Transition, std::allocator<mlpack::HindsightReplay<mlpack::BitFlipping>::Transition> >::value_type&&’ {aka ‘mlpack::HindsightReplay<mlpack::BitFlipping>::Transition&&’}
 1200 |       push_back(value_type&& __x)