Runtime DataTable - Import/Export text CSV or Google Sheet at runtime and auto-update structs and UObjects!

We get warnings like this:

[107/157] Compile [arm64] RuntimeDataTable.cpp
D:/MyProject/Plugins/RuntimeDataTable/Source/RuntimeDataTable/Private/RuntimeDataTable.cpp(83,19): warning: ‘TryGetStringField’ is deprecated: Passing an ANSI string to TryGetStringField has been deprecated outside of UTF-8 mode. Please use the overload that takes a TCHAR string. Please update your code to the new API before upgrading to the next release, otherwise your project will no longer compile. [-Wdeprecated-declarations]
if (JsonObject->TryGetStringField(“client_email”, TokenInfo.ServiceAccountEmail) &&
^
D:/UE/UE_5.4/Engine/Source/Runtime/Json/Public/Dom/JsonObject.h(382,2): note: ‘TryGetStringField’ has been explicitly marked deprecated here
UE_DEPRECATED(5.4, “Passing an ANSI string to TryGetStringField has been deprecated outside of UTF-8 mode. Please use the overload that takes a TCHAR string.”)
^
D:/UE/UE_5.4/Engine/Source/Runtime/Core/Public/Misc/CoreMiscDefines.h(274,43): note: expanded from macro ‘UE_DEPRECATED’
#define UE_DEPRECATED(Version, Message) [[deprecated(Message " Please update your code to the new API before upgrading to the next release, otherwise your project will no longer compile.")]]
^

We get this warning for some other TryGetStringField, TryGetArrayField, TryGetObjectField, TryGetNumberField, GetStringField usages too.

Are we missing some config or setting?