Unreal linking errors

[17/17] Link UE4Editor-OculusTest.dll
1>     Creating library D:\OculusTest\Intermediate\Build\Win64\OculusTestEditor\Development\UE4Editor-OculusTest.lib and object D:\OculusTest\Intermediate\Build\Win64\OculusTestEditor\Development\UE4Editor-OculusTest.exp
1>LidarPlayerController.cpp.obj : error LNK2019: unresolved external symbol "public: static class rp::standalone::rplidar::RPlidarDriver * __cdecl rp::standalone::rplidar::RPlidarDriver::CreateDriver(unsigned int)" (?CreateDriver@RPlidarDriver@rplidar@standalone@rp@@SAPEAV1234@I@Z) referenced in function "public: __cdecl ALidarPlayerController::ALidarPlayerController(class FObjectInitializer const &)" (??0ALidarPlayerController@@QEAA@AEBVFObjectInitializer@@@Z)
1>LidarPlayerController.cpp.obj : error LNK2019: unresolved external symbol "public: static void __cdecl rp::standalone::rplidar::RPlidarDriver::DisposeDriver(class rp::standalone::rplidar::RPlidarDriver *)" (?DisposeDriver@RPlidarDriver@rplidar@standalone@rp@@SAXPEAV1234@@Z) referenced in function "public: virtual __cdecl ALidarPlayerController::~ALidarPlayerController(void)" (??1ALidarPlayerController@@UEAA@XZ)
1>D:\OculusTest\Binaries\Win64\UE4Editor-OculusTest.dll : fatal error LNK1120: 2 unresolved externals