在VS 2015中获得LNK2019错误但在VS2013中没有

Question

我正在使用C ++的多个项目的解决方案。 当我在Visual Studio 2013中编译此解决方案时，我没有错误

当我尝试在visual studio 2015中编译相同的解决方案文件时，我收到链接器错误LNK2019 error image Attached

{Severity Code Description Project File Line Suppression State Error LNK2019 unresolved external symbol "public: void __cdecl adl::SJobs::addAdf(struct adl::SObjects const &,class TAc<int>)" (?addAdf@SJobs@adl@@QEAAXAEBUSObjects@2@V?$TAc@H@@@Z) referenced in function "private: void __cdecl CDialogRun::getJobs(struct adl::SJobs &)" (?getJobs@CDialogRun@@AEAAXAEAUSJobs@adl@@@Z) acad_daylight E:\New Volume\Haseeb\Light Vidia\Lightvidia ACAD 2017\Testing in VS2015\Source Code - Copy\acad_daylight\adl_dlg_run.obj 1

}