sol2/examples/source/docs/my_panic.cpp

#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
#include <iostream>

inline void my_panic(sol::optional<std::string> maybe_msg) {
	std::cerr << "Lua is in a panic state and will now abort() "
	             "the application"
	          << std::endl;
	if (maybe_msg) {
		const std::string& msg = maybe_msg.value();
		std::cerr << "\terror message: " << msg << std::endl;
	}
	// When this function exits, Lua will exhibit default
	// behavior and abort()
}

int main(int, char*[]) {
	sol::state lua(sol::c_call<decltype(&my_panic), &my_panic>);
	// or, if you already have a lua_State* L
	// lua_atpanic( L, sol::c_call<decltype(&my_panic),
	// &my_panic> ); or, with state/state_view: sol::state_view
	// lua(L); lua.set_panic( sol::c_call<decltype(&my_panic),
	// &my_panic> );

	// uncomment the below to see
	// lua.script("boom_goes.the_dynamite");

	return 0;
}