# \#initialize **URL:** https://forums.unrealengine.com/tag/initialize/6008.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How to fix UE4 4.19 not compiling shaders? (Getting stuck at 45%)](https://forums.unrealengine.com/t/how-to-fix-ue4-4-19-not-compiling-shaders-getting-stuck-at-45/420076)
**Author:** [@IIIBlackhartIII](https://forums.unrealengine.com/u/IIIBlackhartIII)\ **Replies:** 19\ **Last updated:** [January 25, 2023, 6:19pm UTC](https://forums.unrealengine.com/t/how-to-fix-ue4-4-19-not-compiling-shaders-getting-stuck-at-45/420076 "2023-01-25T18:19:13Z")
I’ve been having some very strange issues with 4.19 that I can’t seem to resolve, issues which weren’t present when I was using 4.18.3; namely, attempting to launch a project with additional rendering features (for examp… --- ## [UE4.25.0 Could not initialize class org.codehaus.groovy.reflection.ReflectionCache](https://forums.unrealengine.com/t/ue4-25-0-could-not-initialize-class-org-codehaus-groovy-reflection-reflectioncache/466244)
**Author:** [@IDiZuI](https://forums.unrealengine.com/u/IDiZuI)\ **Replies:** 8\ **Last updated:** [October 25, 2021, 6:41pm UTC](https://forums.unrealengine.com/t/ue4-25-0-could-not-initialize-class-org-codehaus-groovy-reflection-reflectioncache/466244 "2021-10-25T18:41:32Z")
Can help? Nothing suggested here helps https://answers.unrealengine.com/que...il-ue-418.html FAILURE: Build failed with an exception. UATHelper: Packaging (Android (ASTC)): \* What went wrong: UATHelper: Packaging (And… --- ## [Attempting to replace an object that hasn't been fully loaded (UserWidget)](https://forums.unrealengine.com/t/attempting-to-replace-an-object-that-hasnt-been-fully-loaded-userwidget/393851)
**Author:** [@anonymous\_user\_4b3639a6](https://forums.unrealengine.com/u/anonymous_user_4b3639a6)\ **Replies:** 15\ **Last updated:** [October 10, 2021, 9:16pm UTC](https://forums.unrealengine.com/t/attempting-to-replace-an-object-that-hasnt-been-fully-loaded-userwidget/393851 "2021-10-10T21:16:27Z")
Hey guys, the last 2 days I had a weird issue where I couldnt run my game without the editor crashing. I just fixed it but its really weird. After crashing the error report showed this: I had a UPROPERTY UserWidget… --- ## [OnConstruction not called on game start](https://forums.unrealengine.com/t/onconstruction-not-called-on-game-start/307865)
**Author:** [@anonymous\_user\_7a9aff171](https://forums.unrealengine.com/u/anonymous_user_7a9aff171)\ **Replies:** 3\ **Last updated:** [April 22, 2021, 6:20pm UTC](https://forums.unrealengine.com/t/onconstruction-not-called-on-game-start/307865 "2021-04-22T18:20:32Z")
Our team has been working with 4.3 for a while now and we have just switched to 4.6, finally. We have created a placeable pickup which changes its appearance based on some values inside the GameMode. GameMode doesn’t ex… --- ## [Initialization of Timeline in a blueprint](https://forums.unrealengine.com/t/initialization-of-timeline-in-a-blueprint/299037)
**Author:** [@ZorbaTHut\_1](https://forums.unrealengine.com/u/ZorbaTHut_1)\ **Replies:** 3\ **Last updated:** [November 27, 2019, 10:18pm UTC](https://forums.unrealengine.com/t/initialization-of-timeline-in-a-blueprint/299037 "2019-11-27T22:18:59Z")
I have a Timeline that is hanging out in its own event graph. There is nothing directly connecting to its input exec nodes. I’m calling PlayFromStart on it in a separate function, expecting that its event exec nodes will… --- ## [How to Initialize LevelSequencePlayer Using C++](https://forums.unrealengine.com/t/how-to-initialize-levelsequenceplayer-using-c/366337)
**Author:** [@srkibria](https://forums.unrealengine.com/u/srkibria)\ **Replies:** 5\ **Last updated:** [September 22, 2019, 11:38pm UTC](https://forums.unrealengine.com/t/how-to-initialize-levelsequenceplayer-using-c/366337 "2019-09-22T23:38:25Z")
I am trying to initialize a LevelSequencePlayer using C++. However, for the life of me I can’t figure out how to do this. Directly referencing the LevelSequencePlayer.h does nothing, and I do not know how to proceed. I a… --- ## [Add initializer\_list to TPair and TMap request](https://forums.unrealengine.com/t/add-initializer-list-to-tpair-and-tmap-request/377800)
**Author:** [@broly](https://forums.unrealengine.com/u/broly)\ **Replies:** 5\ **Last updated:** [November 15, 2018, 1:46pm UTC](https://forums.unrealengine.com/t/add-initializer-list-to-tpair-and-tmap-request/377800 "2018-11-15T13:46:01Z")
There is initializer\_list for TArray. It’s great. I can do next: TArray\ = {1, 2, 3, 4, 5}; I think it would be nice works TMaps also: TMap\ map = { {1, "Hi!"}, {2, "Yo!"}, {3, "Lolz"} }; It possib… --- ## [InitializeModule function was not found on UE4.15](https://forums.unrealengine.com/t/initializemodule-function-was-not-found-on-ue4-15/393987)
**Author:** [@Fayre333](https://forums.unrealengine.com/u/Fayre333)\ **Replies:** 2\ **Last updated:** [October 4, 2018, 12:27am UTC](https://forums.unrealengine.com/t/initializemodule-function-was-not-found-on-ue4-15/393987 "2018-10-04T00:27:39Z")
Hey there, I have a plugin that works fine with UE4.12. When I compile it via Visual Studio with UE4.15 selected, I don’t get any compiling errors, but when I start the UE Project the following window appears: When … --- ## [UProjectileMovementComponent](https://forums.unrealengine.com/t/uprojectilemovementcomponent/295756)
**Author:** [@Janyx](https://forums.unrealengine.com/u/Janyx)\ **Replies:** 2\ **Last updated:** [January 7, 2018, 7:45pm UTC](https://forums.unrealengine.com/t/uprojectilemovementcomponent/295756 "2018-01-07T19:45:45Z")
I am trying to add a projectile to my game. I added this UProperty to my projectile class as seen below: /\*\* movement component \*/ UPROPERTY(VisibleDefaultsOnly, Category = Projectile) TSubobjectPtr\ **Author:** [@cyaoeu](https://forums.unrealengine.com/u/cyaoeu)\ **Replies:** 0\ **Last updated:** [September 11, 2017, 4:00pm UTC](https://forums.unrealengine.com/t/morph-targets-set-in-anim-bp-initialize-animation-event-overwrite-curves-from-anim-graph/404304 "2017-09-11T16:00:00Z") No idea if this is intended behavior or not, but morph targets set in anim BP Initialize Animation event overwrite curves from anim graph. So if you’ve got some animation with curves hooked up to the anim graph, and add … --- ## [Anim BP Initialize Animation event results get overwritten by compiling character BP](https://forums.unrealengine.com/t/anim-bp-initialize-animation-event-results-get-overwritten-by-compiling-character-bp/401398)
**Author:** [@cyaoeu](https://forums.unrealengine.com/u/cyaoeu)\ **Replies:** 0\ **Last updated:** [August 9, 2017, 1:43pm UTC](https://forums.unrealengine.com/t/anim-bp-initialize-animation-event-results-get-overwritten-by-compiling-character-bp/401398 "2017-08-09T13:43:54Z")
I’m using the Initialize Animation event to set up viewport preview morph targets for my characters. This is to actually see the morph targets in the viewport so I know how they will look in game (using the same settings… --- ## [Splash Screen gets to 45% initializing, then exits on it's own. Debian 8 Jessie](https://forums.unrealengine.com/t/splash-screen-gets-to-45-initializing-then-exits-on-its-own-debian-8-jessie/395518)
**Author:** [@anonymous\_user\_b1baecec](https://forums.unrealengine.com/u/anonymous_user_b1baecec)\ **Replies:** 0\ **Last updated:** [June 6, 2017, 6:16pm UTC](https://forums.unrealengine.com/t/splash-screen-gets-to-45-initializing-then-exits-on-its-own-debian-8-jessie/395518 "2017-06-06T18:16:56Z")
I installed all proper repositories, set up everything, spent 1 full day installing everything necessary to run UE4Editor on my linux environment, then this morning I ran the program it spent 10 minutes at 40% at the spl… --- ## [Best way to store actor reference(s) in variable(s) in level blueprint?](https://forums.unrealengine.com/t/best-way-to-store-actor-reference-s-in-variable-s-in-level-blueprint/393939)
**Author:** [@n2k](https://forums.unrealengine.com/u/n2k)\ **Replies:** 3\ **Last updated:** [May 30, 2017, 7:47am UTC](https://forums.unrealengine.com/t/best-way-to-store-actor-reference-s-in-variable-s-in-level-blueprint/393939 "2017-05-30T07:47:50Z")
How can I store a Static Mesh Actor reference in a (public) variable in my Level Blueprint? Without initializing them myself this way: http://i.imgur.com/rTKeVqN.png Because I can’t set the default value of a Static M… --- ## [Blueprint Initialize Animation trigger 4 times](https://forums.unrealengine.com/t/blueprint-initialize-animation-trigger-4-times/313874)
**Author:** [@CriErr](https://forums.unrealengine.com/u/CriErr)\ **Replies:** 5\ **Last updated:** [November 22, 2016, 9:29am UTC](https://forums.unrealengine.com/t/blueprint-initialize-animation-trigger-4-times/313874 "2016-11-22T09:29:53Z")
I want to get reference to my character bp from animation bp and promote it as variable. http://puu.sh/h1Y1Z.png “The Blueprint Initialize Animation event is executed once when the Animation Blueprint instance is creat… --- ## [Unreal Editor 4.12.2 stuck at Initializing 10%or18% on Mac OS 10.12 sierra](https://forums.unrealengine.com/t/unreal-editor-4-12-2-stuck-at-initializing-10-or18-on-mac-os-10-12-sierra/360761)
**Author:** [@wukakuki](https://forums.unrealengine.com/u/wukakuki)\ **Replies:** 2\ **Last updated:** [July 2, 2016, 11:40pm UTC](https://forums.unrealengine.com/t/unreal-editor-4-12-2-stuck-at-initializing-10-or18-on-mac-os-10-12-sierra/360761 "2016-07-02T23:40:05Z")
Unreal Editor 4.12.2 stuck at Initializing 10% or 18% on Mac OS 10.12 sierra. How to fix it? --- ## [Custom PlayerController init via. c++?](https://forums.unrealengine.com/t/custom-playercontroller-init-via-c/362763)
**Author:** [@anonymous\_user\_1c573b1c](https://forums.unrealengine.com/u/anonymous_user_1c573b1c)\ **Replies:** 1\ **Last updated:** [July 2, 2016, 10:34pm UTC](https://forums.unrealengine.com/t/custom-playercontroller-init-via-c/362763 "2016-07-02T22:34:22Z")
Hey Guys, how can I initialize a custum PlayerController-Blueprint via. C++? I use my own GameMode, somehow I can\`t change my Player Controller Class directly in the Editor its grey out. Cheers, --- ## [Help with UE 4 Dedicated Server and Steam.](https://forums.unrealengine.com/t/help-with-ue-4-dedicated-server-and-steam/323031)
**Author:** [@anonymous\_user\_6334e343](https://forums.unrealengine.com/u/anonymous_user_6334e343)\ **Replies:** 2\ **Last updated:** [September 28, 2015, 3:19am UTC](https://forums.unrealengine.com/t/help-with-ue-4-dedicated-server-and-steam/323031 "2015-09-28T03:19:22Z")
Hello for a full overview of thes problem can be found on forums. How do i get Steam / Online Subsystem to initelize when a dedicated server is started (no Steam Client running)? And what is AutoLogin refering to? Th… --- ## [Dynamic obstacle BP not working in Standalone \[Demo project\]](https://forums.unrealengine.com/t/dynamic-obstacle-bp-not-working-in-standalone-demo-project/325833)
**Author:** [@Slavq](https://forums.unrealengine.com/u/Slavq)\ **Replies:** 3\ **Last updated:** [July 21, 2015, 2:55pm UTC](https://forums.unrealengine.com/t/dynamic-obstacle-bp-not-working-in-standalone-demo-project/325833 "2015-07-21T14:55:58Z")
\[UPDATED WITH DEMO PROJECT, SEE MY COMMENT\] Tested on different static meshes with “Is Dynamic Obstacle” checked. When mesh is placed manually in editor, in Standalone Mode navmesh doesn’t update around it. When you ch… --- ## [Get message "Install Failed. The installer failed to initialize"](https://forums.unrealengine.com/t/get-message-install-failed-the-installer-failed-to-initialize/314919)
**Author:** [@sbellZomes](https://forums.unrealengine.com/u/sbellZomes)\ **Replies:** 2\ **Last updated:** [April 21, 2015, 5:26pm UTC](https://forums.unrealengine.com/t/get-message-install-failed-the-installer-failed-to-initialize/314919 "2015-04-21T17:26:51Z")
Installation and Setup problem on Mac 10.9.5 Get message “Install Failed. The installer failed to initialize” Log attached. Any help appreciated! link text --- ## [Get message "Install Failed. The installer failed to initialize"](https://forums.unrealengine.com/t/get-message-install-failed-the-installer-failed-to-initialize/314920)
**Author:** [@sbellZomes](https://forums.unrealengine.com/u/sbellZomes)\ **Replies:** 1\ **Last updated:** [April 13, 2015, 5:51pm UTC](https://forums.unrealengine.com/t/get-message-install-failed-the-installer-failed-to-initialize/314920 "2015-04-13T17:51:53Z")
Installation and Setup problem on Mac 10.9.5 Get message “Install Failed. The installer failed to initialize” Log attached. Any help appreciated! link text --- ## [Initial texture pack missing on creation](https://forums.unrealengine.com/t/initial-texture-pack-missing-on-creation/309405)
**Author:** [@Samccb](https://forums.unrealengine.com/u/Samccb)\ **Replies:** 7\ **Last updated:** [March 10, 2015, 7:48pm UTC](https://forums.unrealengine.com/t/initial-texture-pack-missing-on-creation/309405 "2015-03-10T19:48:06Z")
Hello, Since version 4.7.2 of Editor , yesterday, there is no texture in my new project (ThirdPerson or Blank or whatever). I delete and install UDK without any better change. I perform a “Verify” but no changes again. … --- ## [BehaviorTree MemoryNode initialization best practice?](https://forums.unrealengine.com/t/behaviortree-memorynode-initialization-best-practice/305068)
**Author:** [@pfrenette](https://forums.unrealengine.com/u/pfrenette)\ **Replies:** 1\ **Last updated:** [March 2, 2015, 6:35pm UTC](https://forums.unrealengine.com/t/behaviortree-memorynode-initialization-best-practice/305068 "2015-03-02T18:35:50Z")
I noticed that the constructor of the BTNode instance data (MemoryNode) is not called. What is the proper way to initialize instance data for a BTNode? --- ## [UE4 freezes at 9% of initialization](https://forums.unrealengine.com/t/ue4-freezes-at-9-of-initialization/303016)
**Author:** [@kapul4\_1](https://forums.unrealengine.com/u/kapul4_1)\ **Replies:** 4\ **Last updated:** [January 6, 2015, 8:03pm UTC](https://forums.unrealengine.com/t/ue4-freezes-at-9-of-initialization/303016 "2015-01-06T20:03:01Z")
As the title says,UE4.6.4 Editor freezes at 9% of “Initializing”,there is almsot no disk activity from UE4 procees and CPU usage is 100% on all four cores(CPU is Phenom II X4 B50).This is the first time I am using this e… --- ## [Why does an "Initializing World" Message appear when I change a USF file?](https://forums.unrealengine.com/t/why-does-an-initializing-world-message-appear-when-i-change-a-usf-file/298817)
**Author:** [@dsl\_1](https://forums.unrealengine.com/u/dsl_1)\ **Replies:** 0\ **Last updated:** [November 12, 2014, 11:52am UTC](https://forums.unrealengine.com/t/why-does-an-initializing-world-message-appear-when-i-change-a-usf-file/298817 "2014-11-12T11:52:24Z")
This is more of an annoyance than anything else, but here goes: I’m using an USF file to implement a compute shader. If I apply changes to it and recompile shaders while in the editor (by pressing Ctrl+Shift+.), it take… --- ## [Using the UDamageType Class](https://forums.unrealengine.com/t/using-the-udamagetype-class/295750)
**Author:** [@Janyx](https://forums.unrealengine.com/u/Janyx)\ **Replies:** 4\ **Last updated:** [October 10, 2014, 2:42am UTC](https://forums.unrealengine.com/t/using-the-udamagetype-class/295750 "2014-10-10T02:42:36Z")
I am trying to add projectiles to my game (bullets that my gun will shoot). I want them to deal damage obviously so I initialized it as followed: /\*\* type of damage \*/ UPROPERTY(EditDefaultsOnly, Category = Weapon… --- ## [UE4 Actor constructor](https://forums.unrealengine.com/t/ue4-actor-constructor/291083)
**Author:** [@TheTrice](https://forums.unrealengine.com/u/TheTrice)\ **Replies:** 2\ **Last updated:** [August 25, 2014, 3:38am UTC](https://forums.unrealengine.com/t/ue4-actor-constructor/291083 "2014-08-25T03:38:11Z")
So i Wanted an actor class to contain another actor , so i have 2 actors one called Aapples and ATree. Aapples is just a actor generated code by editor. Atree code here it is : #include "apple.h" #include "GameFramewo… --- ## [Initializing Actor W/O Spawn](https://forums.unrealengine.com/t/initializing-actor-w-o-spawn/291600)
**Author:** [@ErayT](https://forums.unrealengine.com/u/ErayT)\ **Replies:** 3\ **Last updated:** [August 21, 2014, 3:23pm UTC](https://forums.unrealengine.com/t/initializing-actor-w-o-spawn/291600 "2014-08-21T15:23:46Z")
Is there a way to initialize an actor without spawning it? In the mean time I do not want to loose calling the constructor below: AGroundManager::AGroundManager(const class FPostConstructInitializeProperties& PCIP) : … --- ## [Initiallizing the variables of a structure](https://forums.unrealengine.com/t/initiallizing-the-variables-of-a-structure/290764)
**Author:** [@envenger](https://forums.unrealengine.com/u/envenger)\ **Replies:** 5\ **Last updated:** [August 12, 2014, 10:19pm UTC](https://forums.unrealengine.com/t/initiallizing-the-variables-of-a-structure/290764 "2014-08-12T22:19:48Z")
I have a structure USTRUCT() struct FIgnoreActor { GENERATED\_USTRUCT\_BODY() AActor\* IgnoredActor; int16 TimeIgnored; FIgnoreActor() { IgnoredActor = NULL; TimeIgnored = 0; } }; When I create a new structur…