GetLifetimeReplicatedProps() not working!

I am creating a Shooter Game currently, but the function GetLifetimeReplicatedProps() is not working at all.

  • I’ve tried adding “Net/UnrealNetwork.h”, “UnrealNetwork.h” even “Networking.h” but it doesn’t help(Engine.h tried also).

It shows “inherited member not allowed”
please help me.Thank you

Check your header file in the UPROPERTY…

// trigger a function every time this property gets replicated
UPROPERTY(ReplicatedUsing=OnRep_HitScanTrace)
FHitScanTrace HitScan;