Invalid use of void expression.

AccountSystem\AccountSystem.cpp: In function 'bool DeleteAccount(std::__cxx11::string&)':
AccountSystem\AccountSystem.cpp:42:12: error: invalid use of void expression
         }());

Część kodu z AccountSsytem\AccountSystem.cpp->DeleteAccount()
ErrHandler(0, "AccountSystem/DeleteAccount", "Cannot access datafile with accounts.", false, true, [&AccPath](){
            std::ofstream stream(AccPath.c_str());
            stream << HCipher::encode("temp") << ' ' <<HCipher::encode("temp");
            std::cout<<"Temporality account created. You can log in into them with login \"temp\" and password \"temp\"\nand then change login and password.";
            stream.close();
        }());

template <typename ErrCode>
bool ErrHandler(ErrCode code,
                const char* function,
                const char* msg,
                bool IsFatal,
                bool OtherAction = false,
                void(*func)() = nullfunc)

ErrHandler(0, "AccountSystem/DeleteAccount", "Cannot access datafile with accounts.", false, true, [](){
            // std::ofstream stream(AccPath.c_str());
            // stream << HCipher::encode("temp") << ' ' <<HCipher::encode("temp");
            // std::cout<<"Temporality account created. You can log in into them with login \"temp\" and password \"temp\"\nand then change login and password.";
            // stream.close();
        }());