Topics tagged exception

Topic	Replies	Views	Activity
Unreal Engine 5.6.1 Crashes when Opening Level or Setting Performance Settings Debugging, Optimization, & Profiling question , crash , bug , unreal-engine , exception , fatal-error	0	9	January 10, 2026
HLODs building fails because of Exception_Access_Violation World Creation WorldPartition , question , editor , crash , bug-report , Landscape , Builds , build , unreal-engine , error-building , build-failed , world , Open-World , level , exception , build-error , access-violation , landscape-problems , landscape-lod , World-Partition	0	133	June 25, 2024
Overriding UMVVMViewModelBase class Corrupting BPs UI bug-report , unreal-engine , corrupt , exception	0	321	March 19, 2024
Exception support broken in UE5.1 linux? C++ unreal-engine , library , exception , Third-Party	4	672	January 24, 2024
System.UnauthorizedAccessException: Access to the path '7996'... What is this? Plugins question , CPP , Plugins , unreal-engine , error-building , exception	6	16286	November 22, 2023
Caught signal UNiagaraComponent::CopyParametersFromAsset (Bug UE 5.1.1) C++ CPP , bug-report , bug , unreal-engine , exception	0	420	March 9, 2023
Running Automation Driver Tests causes crash Programming & Scripting question , crash , unreal-engine , exception , automated-testing	0	667	December 12, 2022
Exception 0x80000003 / FD3D12Viewport / Windows - AMD Radeon RX 6950 XT International question , crash , viewport , Debugging , unreal-engine , exception , UE-5	0	606	December 5, 2022
Why am I getting exception 0x80000003 when iterating over a set? C++ question , CPP , unreal-engine , exception	2	6498	May 12, 2022
FDistanceFieldVolumeTexture::Release() - EXCEPTION_ACCESS_VIOLATION during cook Platform & Builds question , packaging-projects , unreal-engine , failed , exception , distance-fields	0	526	June 30, 2021
TimerDelegate Create UObject or Lambda cause read access violation after a while C++ question , CPP , UE4 , delegates , unreal-engine , timer , exception	0	1723	May 21, 2021
Can not compile anyting related with C++ Exception: System.IO.DirectoryNotFoundException: Could not find a part of the path C++ question , unreal-engine , exception	6	2695	May 15, 2021
EXCEPTION_ACCESS_VIOLATION Caused by Variant Manager 4.25 C++ UE4-25 , question , CPP , crash , unreal-engine , exception , logging	7	2489	January 25, 2021
Physics-related crashing in PIE .exe, what does this error message say? World Creation Blueprint , question , crash , Physics , unreal-engine , exception , access-violation	1	687	September 8, 2020
Exception thrown at spawning particles FX question , CPP , error , unreal-engine , exception	0	518	June 19, 2020
Access violation exception throwed after enable PythonEditorScriptPlugin Plugins question , editor , Plugins , error , unreal-engine , Python , exception	0	672	May 15, 2020
Generating Project Files: System.IO.IOException Mobile question , unreal-engine , exception , corrupted-project	2	1790	April 2, 2020
Is it possible to activate Exceptions in 4.23? C++ UE4-23 , question , CPP , UE4 , unreal-engine , exception	0	520	November 13, 2019
C4577: 'noexcept' used with no exception handling mode specified; termination on exception is not guaranteed. Specify /EHsc Platform & Builds question , CPP , packaging-projects , unreal-engine , exception	26	12163	October 24, 2019
Lighting build failed, Swarm agent on linux gets unhandled exception Platform & Builds Linux , question , Lighting , swarm , unreal-engine , exception , light-build	2	671	August 3, 2019
Project compiles but engine crashes while clicking on play Platform & Builds question , UE4 , crash , error , unreal-engine , exception	1	553	June 25, 2019
Could not find a function named "None" in character BP only on initial launch Blueprint Blueprint , question , editor , crash , bug-report , unreal-engine , exception	4	1997	May 20, 2019
怎么在自己的ue4工程里边启用异常 Community & Industry Discussion question , unreal-engine , exception	1	1995	May 3, 2019
[C++] UMG Widgets are making UE crash UI question , editor , CPP , crash , unreal-engine , Widget , exception	1	749	February 7, 2019
Exceptions disabled when building for iOS Platform & Builds iOS , question , CPP , packaging-projects , unreal-engine , exception	12	1636	November 20, 2018
SetVectorParameterValue throws exception for UMaterialInstanceDynamic after load, called by a TimerManager managed timer. Rendering question , Materials , unreal-engine , timer , exception , memory-management	0	488	September 15, 2018
My EdMode plugin is hitting an exception when calling the constructor. Plugins question , editor , CPP , Plugins , unreal-engine , exception , mode	0	526	July 29, 2018
Engine crash on Niagara Script and Niagara Emitter creation FX question , bug-report , unreal-engine , exception , Niagara	2	997	July 29, 2018
FTimerDelegate Throws Vague Exception C++ question , CPP , delegates , unreal-engine , timer , breakpoint , exception	0	614	March 25, 2018
Crash: Unreal Engine has Stopped Working Platform & Builds UE4-17 , question , crash , unreal-engine , exception , migration	3	2360	October 23, 2017

Unreal Engine 5.6.1 Crashes when Opening Level or Setting Performance Settings

Debugging, Optimization, & Profiling

question , crash , bug , unreal-engine , exception , fatal-error

0

9

January 10, 2026

HLODs building fails because of Exception_Access_Violation

World Creation

WorldPartition , question , editor , crash , bug-report , Landscape , Builds , build , unreal-engine , error-building , build-failed , world , Open-World , level , exception , build-error , access-violation , landscape-problems , landscape-lod , World-Partition

0

133

June 25, 2024

Overriding UMVVMViewModelBase class Corrupting BPs

UI

bug-report , unreal-engine , corrupt , exception

0

321

March 19, 2024

Exception support broken in UE5.1 linux?

C++

unreal-engine , library , exception , Third-Party