Ue4 source build faild with vs2019

WebRTCProxy
1>D:\Software\UnrealEngine-release\Engine\Source\Runtime\Core\Public\Misc/AssertionMacros.h(150): error C2338: Formatting string must be a TCHAR array.

Hey.

It seems you are using a FString instead of char array in one of your log calls (UE_LOG or GEngine on-screen).
The following is the incorrect way and will produce error.

The following will not produce an error because it is a char array as required by %s in c.

Thank you very much