message: Correct index check
diff: @@ -70,7 +70,7 @@ Dims Variable<T>::DoCount() const
  const std::vector<typename Variable<T>::BPInfo> blocksInfo =
  m_Engine->BlocksInfo<T>(*this, step);
  - if (m_BlockID > blocksInfo.size())
  + if (m_BlockID >= blocksInfo.size())
  {
  throw std::invalid_argument(
  "ERROR: blockID " + std::to_string(m_BlockID) +
  