Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_Core!FModuleManager::LoadModuleChecked() [modulemanager.cpp:350]
UE - Foundation - Core - Aug 10, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Module [Link Rem ...
[CrashReport] UE4Editor_CoreUObject!UObjectBase::IsValidLowLevelFast() [uobjectbase.cpp:294]
UE - Gameplay - Blueprint - Aug 15, 2017This is a trending crash coming out of the 4.17 release. Users have not provided useful descriptions of their actions when the crash occurred. User Descriptionschecking stuff on internet. what does ...
Branching Points in a Montage Affect the Rotation Outcome of Root Motion
UE - Anim - Runtime - Mar 28, 2025When playing Montages with Root Motion, the sub stepper extracts root motion transform in small increments. If a Branching Point exists within the interval being extracted, the extraction range is s ...
Engine Crashes When Trying to Add an Entry to a TMap in a Nested Struct That is an Element of an Array
Tools - Oct 3, 2019When trying to add an entry to a TMap in a nested struct that is an element of an array the engine crashes. This doesn't happen if it is not an array of the nested struct. Attached are .h and .cpp ...
Feature request: named pak files/chunks
UE - Foundation - Data Pipeline - Cooker - Oct 5, 2023Priority note: 3 licensees requested so far Fortnite and some licensees have requested this feature, but it is a nice to have and has not yet been high enough priority to implement. Many teams rel ...
Dynamically Spawned Level Instance Actors do not have their sub actors world partition stream in PIE starting level
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 10, 2025We are building levels where we spawn in Level Instance actors at runtime that have World Partition enabled into a Persistent level that also has World Partition enabled. What we have noticed though ...
The CompileAllBlueprintsCommandlet does not list the BPs contained in UWorlds
UE - Framework - Blueprint - Dec 16, 2024hThe use case of the licensee is that he used FindInBlueprints inside the Editor to find a particular text contained in BPs and later used that listing to recompile the BPs using the CompileAllBluep ...
Data Tables with 'ParticleSysParam' structs cause crash
UE - Niagara - Feb 4, 2019Data Tables with 'Particle Sys Param' structs in them as variables will crash when opened. ...
[CrashReport] UE4Editor_AssetRegistry!FAssetRegistry::GetSubClasses() [assetregistry.cpp:2803]
UE - Gameplay - Blueprint - Jan 31, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
[CrashReport] UE4Editor_CoreUObject!FLinkerSave::FLinkerSave() [linkersave.cpp:31]
UE - Foundation - Core - Aug 22, 2017This is a longstanding and common crash that has occurred since at least the 4.11 release. The error appears to occur while trying to access a .tmp file. User DescriptionsI left unreal unattended ...