model_source_service.obj : error LNK2019: unresolved external symbol "public: bool __cdecl YAML::Node::IsDefined(void)const " (?IsDefined@Node@YAML@@QEBA_NXZ) referenced in function "class std::optional<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > > __cdecl huggingface_utils::GetModelAuthorCortexsoHub(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?GetModelAuthorCortexsoHub@huggingface_utils@@YA?AV?$optional@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@3@@Z) [C:\Users\menlo\cortex.cpp\engine\build\cortex-server.vcxproj]C:\Users\menlo\cortex.cpp\engine\build\cortex-server.exe : fatal error LNK1120: 1 unresolvedexternals [C:\Users\menlo\cortex.cpp\engine\build\cortex-server.vcxproj]