Hello I am having an error when compiling a custom class. Here is the error
1> Creating library C:\PROJECTFURYGAME\Workspace\ProjectFury\Intermediate\Build\Win64\UE4Editor\Development\UE4Editor-FPSTemplate.suppressed.lib and object C:\PROJECTFURYGAME\Workspace\ProjectFury\Intermediate\Build\Win64\UE4Editor\Development\UE4Editor-FPSTemplate.suppressed.exp
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: double __cdecl FJsonValue::AsNumber(void)const " (__imp_?AsNumber@FJsonValue@@QEBANXZ) referenced in function "private: static bool __cdecl FJsonSerializer::Serialize<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >(class TSharedRef<struct FJsonSerializer::FElement,0> const &,class TSharedRef<class TJsonWriter<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >,0> const &,bool)" (??$Serialize@_WU?$TPrettyJsonPrintPolicy@_W@@@FJsonSerializer@@CA_NAEBV?$TSharedRef@UFElement@FJsonSerializer@@$0A@@@AEBV?$TSharedRef@V?$TJsonWriter@_WU?$TPrettyJsonPrintPolicy@_W@@@@$0A@@@_N@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class FString __cdecl FJsonValue::AsString(void)const " (__imp_?AsString@FJsonValue@@QEBA?AVFString@@XZ) referenced in function "private: static bool __cdecl FJsonSerializer::Serialize<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >(class TSharedRef<struct FJsonSerializer::FElement,0> const &,class TSharedRef<class TJsonWriter<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >,0> const &,bool)" (??$Serialize@_WU?$TPrettyJsonPrintPolicy@_W@@@FJsonSerializer@@CA_NAEBV?$TSharedRef@UFElement@FJsonSerializer@@$0A@@@AEBV?$TSharedRef@V?$TJsonWriter@_WU?$TPrettyJsonPrintPolicy@_W@@@@$0A@@@_N@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: bool __cdecl FJsonValue::AsBool(void)const " (__imp_?AsBool@FJsonValue@@QEBA_NXZ) referenced in function "private: static bool __cdecl FJsonSerializer::Serialize<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >(class TSharedRef<struct FJsonSerializer::FElement,0> const &,class TSharedRef<class TJsonWriter<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >,0> const &,bool)" (??$Serialize@_WU?$TPrettyJsonPrintPolicy@_W@@@FJsonSerializer@@CA_NAEBV?$TSharedRef@UFElement@FJsonSerializer@@$0A@@@AEBV?$TSharedRef@V?$TJsonWriter@_WU?$TPrettyJsonPrintPolicy@_W@@@@$0A@@@_N@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class TArray<class TSharedPtr<class FJsonValue,0>,class FDefaultAllocator> const & __cdecl FJsonValue::AsArray(void)const " (__imp_?AsArray@FJsonValue@@QEBAAEBV?$TArray@V?$TSharedPtr@VFJsonValue@@$0A@@@VFDefaultAllocator@@@@XZ) referenced in function "private: static bool __cdecl FJsonSerializer::Serialize<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >(class TSharedRef<struct FJsonSerializer::FElement,0> const &,class TSharedRef<class TJsonWriter<wchar_t,struct TPrettyJsonPrintPolicy<wchar_t> >,0> const &,bool)" (??$Serialize@_WU?$TPrettyJsonPrintPolicy@_W@@@FJsonSerializer@@CA_NAEBV?$TSharedRef@UFElement@FJsonSerializer@@$0A@@@AEBV?$TSharedRef@V?$TJsonWriter@_WU?$TPrettyJsonPrintPolicy@_W@@@@$0A@@@_N@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __cdecl FJsonValueObject::FJsonValueObject(class TSharedPtr<class FJsonObject,0>)" (__imp_??0FJsonValueObject@@QEAA@V?$TSharedPtr@VFJsonObject@@$0A@@@@Z) referenced in function "public: __cdecl FJsonSerializer::FElement::FElement(class TSharedRef<class FJsonObject,0> const &)" (??0FElement@FJsonSerializer@@QEAA@AEBV?$TSharedRef@VFJsonObject@@$0A@@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: virtual __cdecl FJsonValueObject::~FJsonValueObject(void)" (__imp_??1FJsonValueObject@@UEAA@XZ) referenced in function "public: virtual void * __cdecl FJsonValueObject::`scalar deleting destructor'(unsigned int)" (??_GFJsonValueObject@@UEAAPEAXI@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: void __cdecl FJsonObject::SetNumberField(class FString const &,double)" (__imp_?SetNumberField@FJsonObject@@QEAAXAEBVFString@@N@Z) referenced in function "private: bool __cdecl MasterServerHandler::MakePostRequest(class FString,struct ServerModel &)" (?MakePostRequest@MasterServerHandler@@AEAA_NVFString@@AEAUServerModel@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: void __cdecl FJsonObject::SetStringField(class FString const &,class FString const &)" (__imp_?SetStringField@FJsonObject@@QEAAXAEBVFString@@0@Z) referenced in function "private: bool __cdecl MasterServerHandler::MakePostRequest(class FString,struct ServerModel &)" (?MakePostRequest@MasterServerHandler@@AEAA_NVFString@@AEAUServerModel@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __cdecl FJsonObject::FJsonObject(void)" (__imp_??0FJsonObject@@QEAA@XZ) referenced in function "private: bool __cdecl MasterServerHandler::MakePostRequest(class FString,struct ServerModel &)" (?MakePostRequest@MasterServerHandler@@AEAA_NVFString@@AEAUServerModel@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __cdecl FJsonObject::~FJsonObject(void)" (__imp_??1FJsonObject@@QEAA@XZ) referenced in function "public: virtual void __cdecl SharedPointerInternals::TReferenceControllerWithDeleter<class FJsonObject,struct SharedPointerInternals::DefaultDeleter<class FJsonObject> >::DestroyObject(void)" (?DestroyObject@?$TReferenceControllerWithDeleter@VFJsonObject@@U?$DefaultDeleter@VFJsonObject@@@SharedPointerInternals@@@SharedPointerInternals@@UEAAXXZ)
1>Module.FPSTemplate.cpp.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static class FHttpModule & __cdecl FHttpModule::Get(void)" (__imp_?Get@FHttpModule@@SAAEAV1@XZ) referenced in function "public: __cdecl MasterServerHandler::MasterServerHandler(struct MasterServerConf &,struct ServerModel &)" (??0MasterServerHandler@@QEAA@AEAUMasterServerConf@@AEAUServerModel@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "public: virtual class TSharedPtr<class FJsonObject,0> const & __cdecl FJsonValue::AsObject(void)const " (?AsObject@FJsonValue@@UEBAAEBV?$TSharedPtr@VFJsonObject@@$0A@@@XZ)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "protected: virtual class FString __cdecl FJsonValueObject::GetType(void)const " (?GetType@FJsonValueObject@@MEBA?AVFString@@XZ)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "public: virtual bool __cdecl FJsonValue::TryGetArray(class TArray<class TSharedPtr<class FJsonValue,0>,class FDefaultAllocator> const * &)const " (?TryGetArray@FJsonValue@@UEBA_NAEAPEBV?$TArray@V?$TSharedPtr@VFJsonValue@@$0A@@@VFDefaultAllocator@@@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "public: virtual bool __cdecl FJsonValue::TryGetBool(bool &)const " (?TryGetBool@FJsonValue@@UEBA_NAEA_N@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "public: virtual bool __cdecl FJsonValue::TryGetNumber(double &)const " (?TryGetNumber@FJsonValue@@UEBA_NAEAN@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "public: virtual bool __cdecl FJsonValueObject::TryGetObject(class TSharedPtr<class FJsonObject,0> const * &)const " (?TryGetObject@FJsonValueObject@@UEBA_NAEAPEBV?$TSharedPtr@VFJsonObject@@$0A@@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "public: virtual bool __cdecl FJsonValue::TryGetString(class FString &)const " (?TryGetString@FJsonValue@@UEBA_NAEAVFString@@@Z)
1>Module.FPSTemplate.cpp.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) struct FLogCategoryLogJson LogJson" (__imp_?LogJson@@3UFLogCategoryLogJson@@A)
1>C:\PROJECTFURYGAME\Workspace\ProjectFury\Binaries\Win64\UE4Editor-FPSTemplate.dll : fatal error LNK1120: 19 unresolved externals
1>ERROR : UBT error : Failed to produce item: C:\PROJECTFURYGAME\Workspace\ProjectFury\Binaries\Win64\UE4Editor-FPSTemplate.dll
1> Total build time: 2.50 seconds (Local executor: 0.00 seconds)
1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Microsoft.MakeFile.Targets(41,5): error MSB3075: The command ""C:\Program Files\Epic Games\UE_4.15\Engine\Build\BatchFiles\Build.bat" FPSTemplateEditor Win64 Development "C:\PROJECTFURYGAME\Workspace\ProjectFury\ProjectFury.uproject" -waitmutex" exited with code 5. Please verify that you have sufficient rights to run this command.