Link 2019 problems

[huzzaa]

1>Employee main.obj : error LNK2019: unresolved external symbol "public: void __thiscall Employee::nameDisplay(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,float)" (?nameDisplay@Employee@@QAEXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0M@Z) referenced in function _main
1>Employee main.obj : error LNK2019: unresolved external symbol "public: float __thiscall Employee::getSalary(void)" (?getSalary@Employee@@QAEMXZ) referenced in function _main
1>Employee main.obj : error LNK2019: unresolved external symbol "public: void __thiscall Employee::setSalary(float)" (?setSalary@Employee@@QAEXM@Z) referenced in function _main
1>Employee main.obj : error LNK2019: unresolved external symbol "public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __thiscall Employee::getLastName(void)" (?getLastName@Employee@@QAE?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ) referenced in function _main
1>Employee main.obj : error LNK2019: unresolved external symbol "public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __thiscall Employee::getFirstName(void)" (?getFirstName@Employee@@QAE?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ) referenced in function _main
1>Employee main.obj : error LNK2019: unresolved external symbol "public: void __thiscall Employee::setLastName(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (?setLastName@Employee@@QAEXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z) referenced in function _main
1>Employee main.obj : error LNK2019: unresolved external symbol "public: void __thiscall Employee::setFirstName(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (?setFirstName@Employee@@QAEXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z) referenced in function _main
1>Employee main.obj : error LNK2019: unresolved external symbol "public: __thiscall Employee::Employee(float)" (??0Employee@@QAE@M@Z) referenced in function _main

[Ganon11]

What is the code that is causing this error?

[weaknessforcats]

It looks like your code that's outside the main file was not part of the build.