Steam Overlay not work on 4.16

Hi,
i migrate my project from 4.15 to 4.16 and after that the steam overlay not appair. The plugin on editor si enabled and this is my config on DefaultEngine.ini :

[/Script/Engine.GameEngine]
+NetDriverDefinitions=(DefName=“GameNetDriver”,DriverClassName=“OnlineSubsystemSteam.SteamNetDriver”,DriverClassNameFallback=“OnlineSubsystemUtils.IpNetDriver”)

[OnlineSubsystem]
DefaultPlatformService=Steam
PollingIntervalInMs=20

[OnlineSubsystemSteam]
bEnabled=true
SteamDevAppId=480
GameServerQueryPort=27015
bRelaunchInSteam=false
GameVersion=1.0.0.0
bVACEnabled=1
bAllowP2PPacketRelay=true
P2PConnectionTimeout=90

[/Script/OnlineSubsystemSteam.SteamNetDriver]
NetConnectionClassName="/Script/OnlineSubsystemSteam.SteamNetConnection"

anyone know how to resolve?
Thank you

You must download and apply new Steam SDK version. UE4 4.15 has 1.32 SDK version, but UE4 4.16 has 1.39 SDK version.