Pls Help! Got a lot of errors in OnlineSubsystemModule.h

suddenly errors sprouted out of nowhere

Thanks I forgot about it it was mentioned in the tutorial too

Yeah That Quotation marks and the build.cs was the problem Now it rebuilds perfectly

Thank you

Rebuild started…
1>------ Rebuild All started: Project: Traitors, Configuration: Development_Editor x64 ------
1>Cleaning TraitorsEditor and UnrealHeaderTool binaries…
1>Creating makefile for TraitorsEditor (no existing makefile)
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\AdCollection\AdCollection.Build.cs : warning : Referenced directory ‘D:\Epic Games\UE_4.25\Engine\Source\AdCollection\Public’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Vungle\Vungle.Build.cs : warning : Referenced directory ‘D:\Epic Games\UE_4.25\Engine\Source\Vungle\Public’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Vungle\Vungle.Build.cs : warning : Referenced directory ‘D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Private\Windows’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Unity\Unity.Build.cs : warning : Referenced directory ‘D:\Epic Games\UE_4.25\Engine\Source\Unity\Public’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Unity\Unity.Build.cs : warning : Referenced directory ‘D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Private\Windows’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\ChartBoost\ChartBoost.Build.cs : warning : Referenced directory ‘D:\Epic Games\UE_4.25\Engine\Source\ChartBoost\Public’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\ChartBoost\ChartBoost.Build.cs : warning : Referenced directory ‘D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Private\Windows’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\AdMob\AdMob.Build.cs : warning : Referenced directory ‘D:\Epic Games\UE_4.25\Engine\Source\AdMob\Public’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\AdMob\AdMob.Build.cs : warning : Referenced directory ‘D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\Private\Windows’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Source\AdCollectionEditor\AdCollectionEditor.Build.cs : warning : Referenced directory ‘D:\Epic Games\UE_4.25\Engine\Source\AdCollectionEditor\Public’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\FacebookSDK\Source\FacebookSDK\FacebookSDK.Build.cs : warning : Referenced directory ‘D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\FacebookSDK\Source\Developer\FacebookSDK\Private’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Source\Traitors\Traitors.Build.cs : warning : Referenced directory ‘D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Source\Runtime\Online\OnlineSubsystemFacebook\Public’ does not exist.
1>D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Source\Traitors\Traitors.Build.cs : warning : Referenced directory ‘D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Source\Runtime\Online\OnlineSubsystemFacebook\Private\Windows’ does not exist.
1>Parsing headers for TraitorsEditor
1> Running UnrealHeaderTool “D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Traitors.uproject” “D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Intermediate\Build\Win64\TraitorsEditor\Development\TraitorsEditor.uhtmanifest” -LogCmds=“loginit warning, logexit warning, logdatabase error” -Unattended -WarningsAsErrors -abslog=“C:\Users\Dev\AppData\Local\UnrealBuildTool\Log_UHT.txt” -installed
1>Reflection code generated for TraitorsEditor in 53.9561019 seconds
1>Building TraitorsEditor…
1>Using Visual Studio 2019 14.28.29914 toolchain (C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29910) and Windows 10.0.18362.0 SDK (C:\Program Files (x86)\Windows Kits\10).
1>Building 59 actions with 4 processes…
1> [1/59] Default.rc2
1> [2/59] Default.rc2
1> [3/59] Default.rc2
1> [4/59] Default.rc2
1> [5/59] Default.rc2
1> [6/59] Default.rc2
1> [7/59] Default.rc2
1> [8/59] Default.rc2
1> [9/59] Default.rc2
1> [10/59] Default.rc2
1> [11/59] Default.rc2
1> [12/59] SharedPCH.UnrealEd.ShadowErrors.cpp
1> [13/59] SharedPCH.Engine.ShadowErrors.cpp
1> [14/59] Module.AdCollectionEditor.gen.cpp
1> [15/59] Module.AdvancedSessions.gen.2_of_2.cpp
1> [16/59] Module.AdvancedSessions.cpp
1> [17/59] Module.AdCollection.gen.cpp
1> [18/59] Traitors.cpp
1> [19/59] Module.AdCollectionEditor.cpp
1> [20/59] Module.FacebookSDK.gen.cpp
1> [21/59] Module.AdvancedSessions.gen.1_of_2.cpp
1> [22/59] Traitors.init.gen.cpp
1> [23/59] Module.Vungle.cpp
1> [24/59] Module.Unity.cpp
1> [25/59] FBAPIComponent.gen.cpp
1> [26/59] Module.ChartBoost.cpp
1> [27/59] Module.FacebookSDK.cpp
1> [28/59] Module.AdvancedSteamSessions.gen.cpp
1> [29/59] FBAPIComponent.cpp
1> [30/59] Module.AdvancedSteamSessions.cpp
1> [31/59] Module.GameSparks.gen.3_of_3.cpp
1> [32/59] Module.GameSparks.gen.1_of_3.cpp
1> [33/59] UE4Editor-AdvancedSessions-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSessions\UE4Editor-AdvancedSessions-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSessions\UE4Editor-AdvancedSessions-0001.suppressed.exp
1> [34/59] UE4Editor-Traitors-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Intermediate\Build\Win64\UE4Editor\Development\Traitors\UE4Editor-Traitors-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Intermediate\Build\Win64\UE4Editor\Development\Traitors\UE4Editor-Traitors-0001.exp
1> [35/59] UE4Editor-FacebookSDK-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\FacebookSDK\Intermediate\Build\Win64\UE4Editor\Development\FacebookSDK\UE4Editor-FacebookSDK-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\FacebookSDK\Intermediate\Build\Win64\UE4Editor\Development\FacebookSDK\UE4Editor-FacebookSDK-0001.exp
1> [36/59] UE4Editor-AdvancedSteamSessions-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSteamSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSteamSessions\UE4Editor-AdvancedSteamSessions-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSteamSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSteamSessions\UE4Editor-AdvancedSteamSessions-0001.exp
1> [37/59] UE4Editor-AdCollectionEditor-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollectionEditor\UE4Editor-AdCollectionEditor-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollectionEditor\UE4Editor-AdCollectionEditor-0001.exp
1> [38/59] UE4Editor-Unity-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Unity\UE4Editor-Unity-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Unity\UE4Editor-Unity-0001.exp
1> [39/59] UE4Editor-Vungle-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Vungle\UE4Editor-Vungle-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Vungle\UE4Editor-Vungle-0001.exp
1> [40/59] UE4Editor-ChartBoost-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\ChartBoost\UE4Editor-ChartBoost-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\ChartBoost\UE4Editor-ChartBoost-0001.exp
1> [41/59] Module.AdMob.cpp
1> [42/59] UE4Editor-AdMob-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdMob\UE4Editor-AdMob-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdMob\UE4Editor-AdMob-0001.exp
1> [43/59] UE4Editor-AdCollectionEditor-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollectionEditor\UE4Editor-AdCollectionEditor-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollectionEditor\UE4Editor-AdCollectionEditor-0001.suppressed.exp
1> [44/59] UE4Editor-FacebookSDK-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\FacebookSDK\Intermediate\Build\Win64\UE4Editor\Development\FacebookSDK\UE4Editor-FacebookSDK-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\FacebookSDK\Intermediate\Build\Win64\UE4Editor\Development\FacebookSDK\UE4Editor-FacebookSDK-0001.suppressed.exp
1> [45/59] UE4Editor-AdvancedSessions-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSessions\UE4Editor-AdvancedSessions-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSessions\UE4Editor-AdvancedSessions-0001.exp
1> [46/59] UE4Editor-AdvancedSteamSessions-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSteamSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSteamSessions\UE4Editor-AdvancedSteamSessions-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdvancedSteamSessions\Intermediate\Build\Win64\UE4Editor\Development\AdvancedSteamSessions\UE4Editor-AdvancedSteamSessions-0001.suppressed.exp
1> [47/59] UE4Editor-Traitors-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Intermediate\Build\Win64\UE4Editor\Development\Traitors\UE4Editor-Traitors-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Intermediate\Build\Win64\UE4Editor\Development\Traitors\UE4Editor-Traitors-0001.suppressed.exp
1> [48/59] Module.AdCollection.cpp
1> [49/59] UE4Editor-AdCollection-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollection\UE4Editor-AdCollection-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollection\UE4Editor-AdCollection-0001.exp
1> [50/59] UE4Editor-AdCollection-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollection\UE4Editor-AdCollection-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdCollection\UE4Editor-AdCollection-0001.suppressed.exp
1> [51/59] UE4Editor-ChartBoost-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\ChartBoost\UE4Editor-ChartBoost-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\ChartBoost\UE4Editor-ChartBoost-0001.suppressed.exp
1> [52/59] UE4Editor-Vungle-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Vungle\UE4Editor-Vungle-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Vungle\UE4Editor-Vungle-0001.suppressed.exp
1> [53/59] UE4Editor-AdMob-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdMob\UE4Editor-AdMob-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\AdMob\UE4Editor-AdMob-0001.suppressed.exp
1> [54/59] UE4Editor-Unity-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Unity\UE4Editor-Unity-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\AdCollection\Intermediate\Build\Win64\UE4Editor\Development\Unity\UE4Editor-Unity-0001.suppressed.exp
1> [55/59] Module.GameSparks.gen.2_of_3.cpp
1> [56/59] Module.GameSparks.cpp
1> [57/59] UE4Editor-GameSparks-0001.lib
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\GameSparks\Intermediate\Build\Win64\UE4Editor\Development\GameSparks\UE4Editor-GameSparks-0001.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\GameSparks\Intermediate\Build\Win64\UE4Editor\Development\GameSparks\UE4Editor-GameSparks-0001.exp
1> [58/59] UE4Editor-GameSparks-0001.dll
1> Creating library D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\GameSparks\Intermediate\Build\Win64\UE4Editor\Development\GameSparks\UE4Editor-GameSparks-0001.suppressed.lib and object D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Plugins\GameSparks\Intermediate\Build\Win64\UE4Editor\Development\GameSparks\UE4Editor-GameSparks-0001.suppressed.exp
1> [59/59] TraitorsEditor.target
1>Total time in Parallel executor: 1887.47 seconds
1>Total execution time: 2010.30 seconds
1>Done building project “Traitors.vcxproj”.
========== Rebuild All: 1 succeeded, 0 failed, 0 skipped ==========

Really,Really
Thank You

See, Like I said the editor is crashing whenever I try to login

LoginId:05be5b8f4a602cfacc2632b61a2f9095
EpicAccountId:9d387b2ef13b4082a56ff496143b0570

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000000

UE4Editor_Traitors!UFBAPIComponent::BeginPlay() [D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Source\Traitors\FBAPIComponent.cpp:26]
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll

UE4Editor_Traitors!UFBAPIComponent::BeginPlay() [D:\Game Development\Unreal Engine 4\UE4 Projects\Traitors\Source\Traitors\FBAPIComponent.cpp:26]

This is a pretty easy error. Usually it either is because you’re accessing a null pointer, or you’re doing something UE4 isn’t built for. It means go to FBAPIComponent.cpp, line 26, and the problem is on that line.

Really Really sorry for late reply

this is line 26
FBSubSystem->Init();

Really sorry, my game is an android game forgot to mention