The line complaining about the “std::string_view” being available only “from C++17 onwards” suggests that there is a mismatch in the C++ language standard used by different libraries (i.e. Geant4 and / or Garfield++ and / or ROOT).
The line complaining about the “std::string_view” being available only “from C++17 onwards” suggests that there is a mismatch in the C++ language standard used by different libraries (i.e. Geant4 and / or Garfield++ and / or ROOT).