Latest C++ topics - Epic Developer Community Forums

Topic	Replies	Views	Activity
I have root motion animation in my animation. yet the capsule doesn't move with animation even when "Enable Root motion" is checked. all seem good but the capsule is not moving when i click the enable root motion. help pls question , unreal-engine	0	40	September 21, 2025
Cannot build plugin module - LINK : fatal error LNK1181: cannot open input file '..\UE4Editor.lib' unreal-engine	16	10736	September 21, 2025
Change Default Actor Class used for Drag and Drop of Assets question , CPP , unreal-engine	3	711	September 21, 2025
Why is my FMassActorFragment always a nullptr ? question , CPP , unreal-engine	1	117	September 21, 2025
StateTree Schema how to set context question , CPP , unreal-engine	1	316	September 20, 2025
[BUG] Critical Error Array.h line 758 UE 5.4.3 and 5.4.4 question , CPP , packaging-projects , error , unreal-engine , critical-error	7	650	September 20, 2025
Access Violation error in BeginPlay, nullptr help? question , please-help-me , unreal-engine , nullptr , UE5	6	211	September 20, 2025
How to make the blueprint subclass that inherits from localplayersubsystem usable after packaging? Blueprint , question , CPP , unreal-engine	3	87	September 20, 2025
Could not find definition for module, need help! question , CPP , modules , unreal-engine	3	21603	September 19, 2025
Request for Access – Passionate Unreal Engine Learner Blueprint , question , CPP , bug-report , unreal-engine , unreal-editor-for-fortnite , fortnite-creative	0	39	September 19, 2025
Please help, PIE Crash when editing Open World maps question , editor , crash , bug-report , unreal-engine	17	234	September 19, 2025
AAVot AI – Smarter Workflow Assistance for Developers question , bug-report , unreal-engine	0	277	September 19, 2025
Shipping Problem unreal-engine	0	41	September 18, 2025
Unable to open source file "MaterialEditingLibrary.h" question , CPP , unreal-engine	0	27	September 18, 2025
Hi ！How can I call this FUNCTION？ Blueprint , question , CPP , unreal-engine	3	84	September 18, 2025
Leonardo AI Image Generator - Create Art, Images & Video question , bug-report , unreal-engine , unreal-editor-for-fortnite	0	417	September 18, 2025
Is there a way to know if you're initializing a world subsystem in game vs in the editor? question , unreal-engine	5	233	September 18, 2025
Dynamic creation of multiple trees question , unreal-engine	0	40	September 17, 2025
Not able to find c++ Enum class in blackboard key type dropdown question , CPP , unreal-engine	0	40	September 17, 2025
Bug report UE5.5 / 5.6 Call Function GetAsyncLoadPercentage(PackageName) ,The return value is incorrect(return -1) CPP , bug-report , unreal-engine , async	0	62	September 1, 2025
UE5 websocket WSS problem UE4-27 , question , unreal-engine , UE5-0	5	2681	September 17, 2025
C++ Classes break on reload question , unreal-engine	2	89	September 16, 2025
Happy to Join – Please Unlock My Access Blueprint , question , bug-report , unreal-engine , unreal-editor-for-fortnite , fortnite-creative	0	42	September 16, 2025
New Member Introduction – Unlock Request Blueprint , question , CPP , bug-report , unreal-engine , unreal-editor-for-fortnite	0	22	September 16, 2025
Using webrtc data channel with PixelStreaming2 question , unreal-engine	13	303	September 16, 2025
Deleted by Author question , unreal-engine	0	54	July 27, 2024
Deleted by Author question , unreal-engine	0	86	June 21, 2024
How to change a plugin's value using Config File after packaging? question , unreal-engine	0	30	September 15, 2025
Flattening and encoding an octree in unreal question , CPP , unreal-engine	2	126	September 15, 2025
important issues question , unreal-engine	1	44	September 14, 2025

I have root motion animation in my animation. yet the capsule doesn't move with animation even when "Enable Root motion" is checked. all seem good but the capsule is not moving when i click the enable root motion. help pls

question , unreal-engine

0

40

September 21, 2025

Cannot build plugin module - LINK : fatal error LNK1181: cannot open input file '..\UE4Editor.lib'

unreal-engine

16

10736

September 21, 2025

Change Default Actor Class used for Drag and Drop of Assets

question , CPP , unreal-engine

3

711

September 21, 2025

Why is my FMassActorFragment always a nullptr ?

question , CPP , unreal-engine

1

117

September 21, 2025

StateTree Schema how to set context

question , CPP , unreal-engine

1

316

September 20, 2025

[BUG] Critical Error Array.h line 758 UE 5.4.3 and 5.4.4

question , CPP , packaging-projects , error , unreal-engine , critical-error

7

650

September 20, 2025

Access Violation error in BeginPlay, nullptr help?

question , please-help-me , unreal-engine , nullptr , UE5

6

211

September 20, 2025

How to make the blueprint subclass that inherits from localplayersubsystem usable after packaging?

Blueprint , question , CPP , unreal-engine

3

87

September 20, 2025

Could not find definition for module, need help!

question , CPP , modules , unreal-engine

3

21603

September 19, 2025

Request for Access – Passionate Unreal Engine Learner

Blueprint , question , CPP , bug-report , unreal-engine , unreal-editor-for-fortnite , fortnite-creative

0

39

September 19, 2025

Please help, PIE Crash when editing Open World maps

question , editor , crash , bug-report , unreal-engine

17

234

September 19, 2025

AAVot AI – Smarter Workflow Assistance for Developers

question , bug-report , unreal-engine

0

277

September 19, 2025

Shipping Problem

unreal-engine

0

41

September 18, 2025

Unable to open source file "MaterialEditingLibrary.h"

question , CPP , unreal-engine

0

27

September 18, 2025

Hi ！How can I call this FUNCTION？

Blueprint , question , CPP , unreal-engine

3

84

September 18, 2025

Leonardo AI Image Generator - Create Art, Images & Video

question , bug-report , unreal-engine , unreal-editor-for-fortnite

0

417

September 18, 2025

Is there a way to know if you're initializing a world subsystem in game vs in the editor?

question , unreal-engine

5

233

September 18, 2025

Dynamic creation of multiple trees

question , unreal-engine

0

40

September 17, 2025

Not able to find c++ Enum class in blackboard key type dropdown

question , CPP , unreal-engine

0

40

September 17, 2025

Bug report UE5.5 / 5.6 Call Function GetAsyncLoadPercentage(PackageName) ,The return value is incorrect(return -1)

CPP , bug-report , unreal-engine , async

0

62

September 1, 2025

UE5 websocket WSS problem

UE4-27 , question , unreal-engine , UE5-0

5

2681

September 17, 2025

C++ Classes break on reload

question , unreal-engine

2

89

September 16, 2025

Happy to Join – Please Unlock My Access

Blueprint , question , bug-report , unreal-engine , unreal-editor-for-fortnite , fortnite-creative

0

42

September 16, 2025

New Member Introduction – Unlock Request

Blueprint , question , CPP , bug-report , unreal-engine , unreal-editor-for-fortnite

0

22

September 16, 2025

Using webrtc data channel with PixelStreaming2

question , unreal-engine

13

303

September 16, 2025

Deleted by Author

question , unreal-engine

0

54

July 27, 2024

Deleted by Author

question , unreal-engine

0

86

June 21, 2024

How to change a plugin's value using Config File after packaging?

question , unreal-engine

0

30

September 15, 2025

Flattening and encoding an octree in unreal

question , CPP , unreal-engine

2

126

September 15, 2025

important issues

question , unreal-engine

1

44

September 14, 2025

Programming & Scripting C++