[CrashReport] FIntroTutorials::AnalyticsEventNameFromTutorial()

Tools - Jul 6, 2017

This is a common crash that appears to have started in the 4.16.1 hotfix, but has occurred with more frequency in 4.16.2. User DescriptionsAfter the blueprint tutorial, I pressed "play", pressed ES ...

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, 2019

When 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 ...

SWorldPartitionEditorGrid2D causing editor to crash

UE - World Creation - Worldbuilding Tools - World Partition - Mar 13, 2023

"StaticFindFirstObject: Ambiguous object name" on delegates with timelines in packed level actors

UE - World Creation - Worldbuilding Tools - Level Instances - Jan 31, 2024

PropertySet : changes in instancedstruct are not detected by the watch

UE - Graphics Tools - Modeling Tools - GeometryScripting - Jan 24, 2025

Hi, I tried to use for a scriptable tool the watch property node for a struct. The objective for me was to offer to my user a view of a struct in the scriptable tool and have these modifications b ...

Assertion failed in FNetGUIDCache::CleanReferences during seamless travel after reloading primary asset package

UE - Networking - May 7, 2025

Following this sequence of events, the ObjectLookup and NetGUIDLookup on the server's PackageMapClient will end up in a bad state. In the ObjectLookup Map, the primary asset's package will be mapped ...

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor

UE - Gameplay - Blueprint - Dec 9, 2014

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor. Crash Report: [Link Removed] Call Stack:<unknown module>! KERNELBASE!Rai ...

Blueprint actor variables defined in code cannot be set in the editor

UE - Gameplay - Blueprint - Jan 28, 2015

After creating a class in VS and creating a blueprint based on the class. Setting the actor variable in the BP's defaults tab does not save the setting. Instead it will show as none when trying to ...

Blocking volumes moved into sublevels from the persistent level do not correctly function in standalone game

Tools - Jun 9, 2015

If a blocking volume is created in the persistent level and then moved to a sublevel, it will no longer correctly block objects in standalone game. ...

Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid

UE - Gameplay - Blueprint - Feb 7, 2015

Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid. Reproduced in Main //depot/UE4/Promotable-CL-2434822 ...