id summary reporter owner description type status milestone component version severity resolution keywords cc 12405 'boost::detail::variant::visitation_impl': none of the 2 overloads could convert all the argument types rhegner@… Frank Mori Hess "Steps to reproduce the error above: 1) Create a new C++ console project with Visual Studio 2015 Update 3 2) Add include directory for boost 1.61.0 3) Add #include to the main source file I'm not sure if this is a bug in boost::variant or boost::signals2 or in the compiler. There is a ticket #12123 which seems to be related, but that ticket should already be fixed in boost version 1.61.0" Bugs closed To Be Determined signals2 Boost 1.61.0 Showstopper invalid