Crash issues on game save or during play

[sapphirepro]

Hi.

I get various crashed from game, especially on attempt to save (not always, but frequently).
Logs from game
`[2020-10-29 02:29:29] Runtime Error information:

In [/home/abuild/rpmbuild/BUILD/megaglest-3.13.0/source/glest_game/main/main.cpp::handleSIGSEGV Line: 5875] Error detected: signal 11:

Stack Trace:
/usr/bin/megaglest:Glest::Game::ExceptionHandler::handleRuntimeError(char const*, bool)address [0x56086c6c9709] line: 0
/usr/bin/megaglest:()address [0x56086c704d22] line: 0
/lib64/libc.so.6:()address [0x7fbdd21226c0] line: 0
/lib64/libc.so.6:()address [0x7fbdd224a42c] line: 0
/usr/lib64/libstdc++.so.6:std::__cxx11::basic_string<char, std::char_traits, std::allocator >::_M_append(char const*, unsigned long)address [0x7fbdd240a360] line: 0
/usr/bin/megaglest:()address [0x56086c5565e4] line: 0
/usr/bin/megaglest:Glest::Game::Level::getNameabi:cxx11 constaddress [0x56086c979866] line: 0
/usr/bin/megaglest:Glest::Game::Unit::getFullNameabi:cxx11 constaddress [0x56086c8f8699] line: 0
/usr/bin/megaglest:Glest::Game::Gui::computeDisplay()address [0x56086c6aede8] line: 0
/usr/bin/megaglest:Glest::Game::Selection::select(Glest::Game::Unit*, bool)address [0x56086c6b39b0] line: 0
/usr/bin/megaglest:Glest::Game::Selection::recallGroup(int, bool)address [0x56086c6b561b] line: 0
/usr/bin/megaglest:Glest::Game::Gui::groupKey(int)address [0x56086c6aa85e] line: 0
/usr/bin/megaglest:Glest::Game::Game::sdlKeyDown(SDL_KeyboardEvent)address [0x56086c5e5a7e] line: 0
/usr/bin/megaglest:Shared::Platform::Window::handleEvent()address [0x56086caaba9f] line: 0
/usr/bin/megaglest:Glest::Game::glestMain(int, char**)address [0x56086c6fc950] line: 0
/usr/bin/megaglest:Glest::Game::glestMainSEHWrapper(int, char**)address [0x56086c704e35] line: 0
/lib64/libc.so.6:__libc_start_main()address [0x7fbdd210ce0a] line: 0
/usr/bin/megaglest:_start()address [0x56086c554f4a] line: 0
`