OnlineIdentityFacebook.h not found on Android

Hi,
when I try package Android project I receive this error:


LogPlayLevel:Display: UnrealBuildTool: Compiling Native code with NDK API 'android-19'
LogPlayLevel:Display: UnrealBuildTool: Performing 2 actions (4 in parallel)
LogPlayLevel:Display: UnrealBuildTool: [1/2] clang++.exe Module.OnlineSubsystemFacebook.cpp [armv7-es2]
LogPlayLevel:Display: UnrealBuildTool: In file included from E:/Biblioteka/Dokumenty/Unreal Projects/gameDNAstudio/TheTaleOfThreeMobile/Intermediate/Build/Android/TheTaleOfThreeMobile/Development/OnlineSubsystemFacebook/Module.OnlineSubsystemFacebook.cpp:2:
LogPlayLevel:Display: UnrealBuildTool: In file included from D:\Epic Games\4.6\Engine\Source\Runtime\Online\OnlineSubsystemFacebook\Private\OnlineSubsystemFacebookModule.cpp:3:
LogPlayLevel:Display: UnrealBuildTool: D:\Epic Games\4.6\Engine\Source\Runtime\Online\OnlineSubsystemFacebook\Private\OnlineSubsystemFacebookPrivatePCH.h(14,9) :  fatal error: 'OnlineIdentityFacebook.h' file not found
LogPlayLevel:Display: UnrealBuildTool: #include "OnlineIdentityFacebook.h"
LogPlayLevel:Display: UnrealBuildTool:          ^
LogPlayLevel:Display: UnrealBuildTool: 1 error generated.

Please help me.