Topics tagged nullptr

Topic	Replies	Views	Activity
Access Violation error in BeginPlay, nullptr help? C++ question , please-help-me , unreal-engine , nullptr , UE5	6	191	September 20, 2025
Custom UActorComponent is null Community & Industry Discussion question , unreal-engine , component , actorcomponent , nullptr	3	1881	December 31, 2023
UObject is still nullptr after being initialized in constructor C++ Blueprint , question , CPP , crash , uobject , unreal-engine , constructors , nullptr	3	604	December 20, 2023
Access to RootComponent not available C++ question , CPP , unreal-engine , nullptr	2	1538	April 26, 2023
Clarification about IsValid() and nullptr safety C++ question , CPP , unreal-engine , best-practice , nullptr	2	1658	February 1, 2023
GetCharacterMovement() returns nullptr C++ question , CPP , unreal-engine , Character-Movement , nullptr	2	925	October 19, 2022
TSharedPtr crash on exit game, traced to FWindowsApplication::ShutDownAfterError TaskbarList WindowsApplication.cpp line #234 Platform & Builds UE4-17 , question , bug-report , windows-7 , unreal-engine , nullptr	7	2370	May 25, 2022
Accessing function and variable of another C++ class nullptr problem C++ question , CPP , UE4 , unreal-engine , nullptr	12	3567	July 30, 2021
Using SetPawn causes Access violation C++ question , CPP , unreal-engine , delegate , nullptr	10	770	March 20, 2021
Pointer to Actor object becomes null for unknown reason C++ question , editor , CPP , unreal-engine , nullptr	0	1118	February 12, 2021
How to handle null pointers Platform & Builds question , unreal-engine , nullptr	1	1270	January 11, 2021
UE4 C++ - Getting a nullptr in Playercontroller for a variable that is in BeginPlay() and works with variables used by BindAction but not if function is called from another class C++ question , CPP , functions , unreal-engine , nullptr	2	1262	January 8, 2021
[Crash] Engine crashes when i open up bp's with Error: ECEPTION_ACCESS_VIOLATION reading address 0x000 Getting Started & Setup question , crash , unreal-engine , crash-at-startup , engine-compile , nullptr	1	450	October 18, 2020
Why is this a NULL pointer Getting Started & Setup question , crash , unreal-engine , how-can-i-fix-this , nullptr	1	691	September 19, 2020
Material editor crashing (nullptr error in UE4EditorCore.dll) after adding custom MaterialExpression class Asset Creation question , CPP , unreal-engine , editor-crash , Material-Expressions , nullptr	0	570	August 10, 2020
GetOwner is returning null C++ question , CPP , unreal-engine , aactor , nullptr	4	3910	July 22, 2020
What order are Controllers and Pawns/Characters instantiated? Editor Scripting question , Character , unreal-engine , playercontroller , reference , nullptr	5	1045	January 11, 2020
Preventing AudioComponent from being destroyed Audio question , CPP , UE4 , Sound , unreal-engine , nullptr	1	1510	November 22, 2019
Shooting direction in dedicated server if camera is nullptr Cinematics & Media question , CPP , Camera , dedicated-server , unreal-engine , nullptr	1	406	June 21, 2019
Custom Class UObject Reference Always Null Debugging, Optimization, & Profiling question , Debugging , unreal-engine , Scripting , tarray , nullptr	2	1678	March 29, 2019
UWidget::IsHovered causes a crash C++ question , CPP , UE4 , crash , unreal-engine , nullptr	1	484	March 29, 2019
4.22 preview5, FTextureRenderTargetCubeResource.ReadPixels crashes C++ question , CPP , crash , unreal-engine , nullptr	0	369	March 12, 2019
Crash sometimes occurs when retrieving a pointer from a TArray Platform & Builds question , crash , unreal-engine , tarray , nullptr	1	603	January 24, 2019
Cast of nullptr to SceneComponent failed Platform & Builds question , packaging-projects , unreal-engine , nullptr	0	707	January 8, 2019
C++ best error handling practice? C++ question , CPP , unreal-engine , nullptr	2	3173	December 2, 2018
There's a bug in ChildActorComponent.cpp line 95 that causes package to fail Blueprint Blueprint , question , packaging-projects , bug-report , unreal-engine , child-actor-componen , nullptr	4	1425	October 27, 2018
Access violation with "null pointer check" C++ question , CPP , crash , bug-report , unreal-engine , nullptr	3	3686	June 26, 2018
Same pointer is valid in BP but null in C++ Blueprint Blueprint , question , CPP , unreal-engine , null , pointer , nullptr	19	1604	May 14, 2018
GetSocketByName() returns nullptr C++ question , CPP , UE4 , crash , unreal-engine , nullptr	0	504	May 12, 2018
Apex Destruction nullptr Apex Destructible Asset Platform & Builds question , CPP , UE4 , crash , build , unreal-engine , nullptr	13	1031	April 27, 2018