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    Crash with multiplayer PIE

    Hey everyone,

    So I've been having this issue with my game where when I load two separate windows of my game, when I try to execute a function called GrabArrow() on the client, UE4 crashes completely, even when GrabArrow() didn't do anything at all. Other functions like moving, looking around and jumping seem to work so I'm not entirely sure what's going on. Can someone help me out please?

    BaseCharacter.cpp

    Code:
    void ABaseCharacter::GrabArrow()
     {
         AMyProjectGameMode* gamemode = (AMyProjectGameMode*)GetWorld()->GetAuthGameMode();
         AArrow* arrow_actor = gamemode->Arrow;
         ArrowStorage = arrow_actor;
         ArrowStorage->SetActorHiddenInGame(true);
         GetWorld()->GetTimerManager().SetTimer(HoldTimerHandle, this, &ABaseCharacter::FireArrow, HoldTime, false);
     
         bool overlap = GrabHitbox->IsOverlappingActor(arrow_actor);
     
         // If the hitbox is overlapping the arrow and the player hasn't already grabbed the arrow
         if (overlap && arrow_actor->PreviousHolder != this)
         {
             // DEBUG
             GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Yellow, TEXT("Good"));
             ArrowStorage = arrow_actor;
             ArrowStorage->SetActorHiddenInGame(true);
             GetWorld()->GetTimerManager().SetTimer(HoldTimerHandle, this, &ABaseCharacter::FireArrow, HoldTime, false);
         }
     
     }
    ABaseCharacter.h

    Code:
     // Fill out your copyright notice in the Description page of Project Settings.
     
     #pragma once
     
     #include "Arrow.h"
     
     #include "GameFramework/Character.h"
     #include "BaseCharacter.generated.h"
     
     UCLASS()
     class MYPROJECT_API ABaseCharacter : public ACharacter
     {
         GENERATED_BODY()
     
     
     public:
         // Sets default values for this character's properties
         ABaseCharacter();
     
         UFUNCTION()
             void MoveForward(float Value);
     
         UFUNCTION()
             void MoveRight(float Value);
     
         UFUNCTION()
             void Jump();
     
         UFUNCTION()
             void StopJumping();
     
         UFUNCTION()
             void LookUp(float Value);
     
         UFUNCTION()
             void LookRight(float Value);
     
         UFUNCTION()
             void DoubleJump();
     
         UFUNCTION()
             void Sprint();
     //...
     
         UFUNCTION()
             void DummyFunc();
     
         UFUNCTION()
             void GrabArrow();
     
     //...
     
         
         
     };
    Note: I did play around with some parameters so if something looks alarmingly off, then it's probably because I just wiped out the field and forgot to replace something. If you guys need some more of my code, I can provide!

    EDIT: Here's the error that UE4 gave me after the crash

    Code:
    MachineId:8BB607F948A2ED14E3E80E97D944BAD0
    EpicAccountId:0d333b54115f47d3b56f115ecb7bc7d5
    
    Access violation - code c0000005 (first/second chance not available)
    
    UE4Editor_MyProject_1909!ABaseCharacter::GrabArrow() [d:\personal files\documents\unreal projects\projectartemis\source\myproject\basecharacter.cpp:307]
    UE4Editor_Engine!FInputActionUnifiedDelegate::Execute() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\classes\components\inputcomponent.h:181]
    UE4Editor_Engine!UPlayerInput::ProcessInputStack() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\userinterface\playerinput.cpp:1216]
    UE4Editor_Engine!APlayerController::ProcessPlayerInput() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\playercontroller.cpp:2313]
    UE4Editor_Engine!APlayerController::TickPlayerInput() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\playercontroller.cpp:3851]
    UE4Editor_Engine!APlayerController::PlayerTick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\playercontroller.cpp:1976]
    UE4Editor_Engine!APlayerController::TickActor() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\playercontroller.cpp:3929]
    UE4Editor_Engine!FActorTickFunction::ExecuteTick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\actor.cpp:111]
    UE4Editor_Engine!FTickFunctionTask::DoTask() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\ticktaskmanager.cpp:262]
    UE4Editor_Engine!TGraphTask<FTickFunctionTask>::ExecuteTask() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\async\taskgraphinterfaces.h:999]
    UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:932]
    UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:679]
    UE4Editor_Core!FTaskGraphImplementation::WaitUntilTasksComplete() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:1776]
    UE4Editor_Engine!FTickTaskSequencer::ReleaseTickGroup() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\ticktaskmanager.cpp:530]
    UE4Editor_Engine!FTickTaskManager::RunTickGroup() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\ticktaskmanager.cpp:1432]
    UE4Editor_Engine!UWorld::RunTickGroup() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\leveltick.cpp:704]
    UE4Editor_Engine!UWorld::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\leveltick.cpp:1197]
    UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:1349]
    UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:368]
    UE4Editor!FEngineLoop::Tick() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2775]
    UE4Editor!GuardedMain() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\launch.cpp:148]
    UE4Editor!GuardedMainWrapper() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
    UE4Editor!WinMain() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
    UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
    kernel32
    ntdll
    Last edited by RadiantWings; 07-30-2016, 05:05 PM.

    #2
    I'm having this error right now, did you solve this problem?

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