# \#generated **URL:** https://forums.unrealengine.com/tag/generated/1639.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [AI Generated Assets on the Marketplace?](https://forums.unrealengine.com/t/ai-generated-assets-on-the-marketplace/665686)
**Author:** [@VertexMachine](https://forums.unrealengine.com/u/VertexMachine)\ **Replies:** 274\ **Last updated:** [May 31, 2025, 7:12pm UTC](https://forums.unrealengine.com/t/ai-generated-assets-on-the-marketplace/665686 "2025-05-31T19:12:01Z")
I’ve recently seen quite a few asset being released on UE Marketplace that were made using those new AI Tools like Stable Diffusion or Midjourney. I thought that AI generated content cannot be copyrighted… so how can th… --- ## [Cannot open source file name.generated.hc](https://forums.unrealengine.com/t/cannot-open-source-file-name-generated-hc/413312)
**Author:** [@MrZelektronz](https://forums.unrealengine.com/u/MrZelektronz)\ **Replies:** 24\ **Last updated:** [April 2, 2025, 6:40am UTC](https://forums.unrealengine.com/t/cannot-open-source-file-name-generated-hc/413312 "2025-04-02T06:40:51Z")
Hey guys, I have a problem with my UE4 project, every time I want to compile I get an error which says that the generated.h class of every class of mine cannot be opened. And yes I tried this: Rightclick on .uproject and… --- ## [Cannot include .generated.h but it exists](https://forums.unrealengine.com/t/cannot-include-generated-h-but-it-exists/414059)
**Author:** [@benjaml](https://forums.unrealengine.com/u/benjaml)\ **Replies:** 7\ **Last updated:** [February 13, 2025, 9:21am UTC](https://forums.unrealengine.com/t/cannot-include-generated-h-but-it-exists/414059 "2025-02-13T09:21:38Z")
Hello, I’m currently trying to add a custom module to my game, but I got a class in this new module that fails to compile because it cannot include it’s generated.h file Here is the header of the class : #pragma once … --- ## [What tool does Epic use for generating API documentation?](https://forums.unrealengine.com/t/what-tool-does-epic-use-for-generating-api-documentation/289797)
**Author:** [@anon26705860](https://forums.unrealengine.com/u/anon26705860)\ **Replies:** 9\ **Last updated:** [July 30, 2020, 5:59pm UTC](https://forums.unrealengine.com/t/what-tool-does-epic-use-for-generating-api-documentation/289797 "2020-07-30T17:59:08Z")
I would like to make my own documentation and follow similar conventions as the engine. --- ## [Source file cannot be opened generated.h](https://forums.unrealengine.com/t/source-file-cannot-be-opened-generated-h/464973)
**Author:** [@odmin369](https://forums.unrealengine.com/u/odmin369)\ **Replies:** 2\ **Last updated:** [May 12, 2020, 12:38pm UTC](https://forums.unrealengine.com/t/source-file-cannot-be-opened-generated-h/464973 "2020-05-12T12:38:16Z")
When I compile a C++ file or create a new C++ file, I often fail to include generated.h. Try Generate VisualStudio Project File Deleting the Intermediate,Saved folder and running the Generate VisualStudio Project File … --- ## [Cannot compile code in editor (generated conflicts)](https://forums.unrealengine.com/t/cannot-compile-code-in-editor-generated-conflicts/279519)
**Author:** [@PixelTheory.TV](https://forums.unrealengine.com/u/PixelTheory.TV)\ **Replies:** 5\ **Last updated:** [February 27, 2020, 4:49pm UTC](https://forums.unrealengine.com/t/cannot-compile-code-in-editor-generated-conflicts/279519 "2020-02-27T16:49:09Z")
If you add a new class, a new function or a new component you need to close editor, compile from VS and then reopen the editor - as long it causes changes to the editor, this is required. However if you are only changin… --- ## [UProceduralMeshComponent normals don't work](https://forums.unrealengine.com/t/uproceduralmeshcomponent-normals-dont-work/451846)
**Author:** [@Taberu](https://forums.unrealengine.com/u/Taberu)\ **Replies:** 1\ **Last updated:** [July 11, 2019, 4:56pm UTC](https://forums.unrealengine.com/t/uproceduralmeshcomponent-normals-dont-work/451846 "2019-07-11T16:56:38Z")
Hi everyone, quick question! I used UProceduralMeshComponent presented here, in this tutorial: Everything works fine, except that normals don’t make any difference in triangle facing direction. Here is a triangle fro… --- ## [Can't compile after upgrading to 4.17, syntax error in gen.cpp](https://forums.unrealengine.com/t/cant-compile-after-upgrading-to-4-17-syntax-error-in-gen-cpp/401788)
**Author:** [@SlimeQ](https://forums.unrealengine.com/u/SlimeQ)\ **Replies:** 10\ **Last updated:** [March 24, 2019, 3:05am UTC](https://forums.unrealengine.com/t/cant-compile-after-upgrading-to-4-17-syntax-error-in-gen-cpp/401788 "2019-03-24T03:05:03Z")
I’m attempting to upgrade my project from a custom 4.16.3 build to 4.17. I’ve managed to jump through the most obvious hoops but I’m now getting errors inside the gen.cpp files for every class that contains an AddDynamic… --- ## [EQS generated around other then the querier](https://forums.unrealengine.com/t/eqs-generated-around-other-then-the-querier/312277)
**Author:** [@a\_najafi](https://forums.unrealengine.com/u/a_najafi)\ **Replies:** 3\ **Last updated:** [September 18, 2018, 5:13pm UTC](https://forums.unrealengine.com/t/eqs-generated-around-other-then-the-querier/312277 "2018-09-18T17:13:49Z")
Hey there guys so i have been testing around with the eqs and it is realy powerfull i have already been able to give the ai the power to jump over obstcles and later probably making it jump on higher platforms when need… --- ## [Engine version 4.20.1 "broken" CPP template](https://forums.unrealengine.com/t/engine-version-4-20-1-broken-cpp-template/430518)
**Author:** [@EliasPa](https://forums.unrealengine.com/u/EliasPa)\ **Replies:** 3\ **Last updated:** [August 1, 2018, 7:41pm UTC](https://forums.unrealengine.com/t/engine-version-4-20-1-broken-cpp-template/430518 "2018-08-01T19:41:00Z")
When I try to make a new project using the 2D side scroller C++ template, i get a lot of intellisense errors in Visual Studio(Community 2017, v. 15.7.5). However, I am able to build the project. I also tested creating a … --- ## [Cannot open source file .generated.h](https://forums.unrealengine.com/t/cannot-open-source-file-generated-h/430372)
**Author:** [@Howareyoujay](https://forums.unrealengine.com/u/Howareyoujay)\ **Replies:** 1\ **Last updated:** [July 27, 2018, 6:37pm UTC](https://forums.unrealengine.com/t/cannot-open-source-file-generated-h/430372 "2018-07-27T18:37:28Z")
Hi, I’m new to plugins in UE4, i’m following a book on building a simple plugin. For the plugin i created a new Header file in visual studio by adding it directly to the Plugins-\>Source-\>Public folder. In the header file… --- ## [BlueprintNativeEvent doesn't support 'Const TSubclassOf\<\>' as parameter](https://forums.unrealengine.com/t/blueprintnativeevent-doesnt-support-const-tsubclassof-as-parameter/425415)
**Author:** [@Jambax](https://forums.unrealengine.com/u/Jambax)\ **Replies:** 0\ **Last updated:** [May 18, 2018, 4:03pm UTC](https://forums.unrealengine.com/t/blueprintnativeevent-doesnt-support-const-tsubclassof-as-parameter/425415 "2018-05-18T16:03:31Z")
Filing a request for UHT to be updated so that BlueprintNativeEvent and BlueprintImplementableEvent UFUNCTIONS() can support const TSubclassOf parameters. This is easy to test - simply declare a BlueprintCallable, Bluep… --- ## [Can't generate generated headers](https://forums.unrealengine.com/t/cant-generate-generated-headers/341955)
**Author:** [@anonymous\_user\_9b1d6047](https://forums.unrealengine.com/u/anonymous_user_9b1d6047)\ **Replies:** 1\ **Last updated:** [November 7, 2017, 2:03pm UTC](https://forums.unrealengine.com/t/cant-generate-generated-headers/341955 "2017-11-07T14:03:42Z")
I have a header file that defines a USTRUCT, which should have an accompanying generated header, but it doesn’t. I got it working once, but then I added a forward declaration between the #includes and the USTRUCT, and no… --- ## [Can anyone explain what is "Blueprint Generated Class"?](https://forums.unrealengine.com/t/can-anyone-explain-what-is-blueprint-generated-class/399695)
**Author:** [@Anonymous\_458f54238f2f4c5cb31c55a2d08542ec](https://forums.unrealengine.com/u/Anonymous_458f54238f2f4c5cb31c55a2d08542ec)\ **Replies:** 1\ **Last updated:** [July 6, 2017, 9:54am UTC](https://forums.unrealengine.com/t/can-anyone-explain-what-is-blueprint-generated-class/399695 "2017-07-06T09:54:22Z")
Hey! Im not engine developer, but… Blueprint Generated Class means its a high level class made by Engine for blueprint scripting and other things :slight\_smile: Fully functional as runtime class, can have parent c++ c… --- ## [Cannot find generated.h file in other module](https://forums.unrealengine.com/t/cannot-find-generated-h-file-in-other-module/393982)
**Author:** [@anonymous\_user\_0a5b4a31](https://forums.unrealengine.com/u/anonymous_user_0a5b4a31)\ **Replies:** 1\ **Last updated:** [May 18, 2017, 8:58pm UTC](https://forums.unrealengine.com/t/cannot-find-generated-h-file-in-other-module/393982 "2017-05-18T20:58:42Z")
I have two modules set up. Module “A” calls a class that exists in module “B”. In that class’s header file it calls another header file. Inside this header file it fails to find the generated.h file even though both dire… --- ## [generated.h Not found by plugin](https://forums.unrealengine.com/t/generated-h-not-found-by-plugin/390869)
**Author:** [@Baltazards](https://forums.unrealengine.com/u/Baltazards)\ **Replies:** 1\ **Last updated:** [April 14, 2017, 6:26am UTC](https://forums.unrealengine.com/t/generated-h-not-found-by-plugin/390869 "2017-04-14T06:26:50Z")
Hi, I’m using the Wwise plugin in my project and I want to create a sound occlusion/obstruction system, So what I did is I created a class inheriting from “UPhysicalMaterial”, and added a SoundOcclusion float value. So… --- ## [Stop construction script from executing again?](https://forums.unrealengine.com/t/stop-construction-script-from-executing-again/279208)
**Author:** [@DasMatze](https://forums.unrealengine.com/u/DasMatze)\ **Replies:** 5\ **Last updated:** [March 31, 2017, 9:19pm UTC](https://forums.unrealengine.com/t/stop-construction-script-from-executing-again/279208 "2017-03-31T21:19:31Z")
I have created a construction blueprint that adds an array of chosen static meshes randomly to a facade like these windows: Now whenever I play the script gets executed again, changing all the windows. It’s a nice fe… --- ## [How to create only header file while exist inside include generate.h](https://forums.unrealengine.com/t/how-to-create-only-header-file-while-exist-inside-include-generate-h/331477)
**Author:** [@Turtle\_Corder](https://forums.unrealengine.com/u/Turtle_Corder)\ **Replies:** 4\ **Last updated:** [February 1, 2017, 11:05am UTC](https://forums.unrealengine.com/t/how-to-create-only-header-file-while-exist-inside-include-generate-h/331477 "2017-02-01T11:05:14Z")
hi, i’m korean… my English is a little immature. Please understand… I got questions than read ‘Survival Sample Game: Section 2’ sample code. ( A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine … --- ## [How to get UAimBlueprintGeneratedClass?](https://forums.unrealengine.com/t/how-to-get-uaimblueprintgeneratedclass/369911)
**Author:** [@anonymous\_user\_5af6858a](https://forums.unrealengine.com/u/anonymous_user_5af6858a)\ **Replies:** 0\ **Last updated:** [September 9, 2016, 12:28pm UTC](https://forums.unrealengine.com/t/how-to-get-uaimblueprintgeneratedclass/369911 "2016-09-09T12:28:06Z")
Hello there. I have a problem and I haven’t found a solution anywhere for it. I’m currently trying to change a character’s mesh and animation BP at runtime and I have this: UPROPERTY(...) UAnimBlueprintGeneratedClass \*… --- ## [4.12.5 and VS2015 Update 3 unresolved external symbol](https://forums.unrealengine.com/t/4-12-5-and-vs2015-update-3-unresolved-external-symbol/363548)
**Author:** [@GCRev](https://forums.unrealengine.com/u/GCRev)\ **Replies:** 5\ **Last updated:** [July 14, 2016, 12:20pm UTC](https://forums.unrealengine.com/t/4-12-5-and-vs2015-update-3-unresolved-external-symbol/363548 "2016-07-14T12:20:11Z")
I am getting compiler errors deriving from the generated header and the macros included in a new empty class in a new empty project. This is a bit discouraging. My current version of visual studio is VS2015 Update 3. I… --- ## [Generated.h not found while it exists!](https://forums.unrealengine.com/t/generated-h-not-found-while-it-exists/353908)
**Author:** [@anonymous\_user\_e6436d8c](https://forums.unrealengine.com/u/anonymous_user_e6436d8c)\ **Replies:** 1\ **Last updated:** [April 12, 2016, 3:23pm UTC](https://forums.unrealengine.com/t/generated-h-not-found-while-it-exists/353908 "2016-04-12T15:23:33Z")
In UE4 we have AnimGraph that controls our animations, right? For a vehicle, the must node is WheelHandler. That’s fine! But, while I was extending this class with some modifications, I got an error while compiling my … --- ## [Can I make 2d sprites random generate in a level?](https://forums.unrealengine.com/t/can-i-make-2d-sprites-random-generate-in-a-level/343384)
**Author:** [@anonymous\_user\_1086f6781](https://forums.unrealengine.com/u/anonymous_user_1086f6781)\ **Replies:** 39\ **Last updated:** [February 12, 2016, 5:49pm UTC](https://forums.unrealengine.com/t/can-i-make-2d-sprites-random-generate-in-a-level/343384 "2016-02-12T17:49:45Z")
For an endless, unique game every time you play? I already have the “platformer” blueprint (Thanks to ), my character is already constantly running to the right, I just don’t want the same level every time. … --- ## [VS doesn't see any any generated files](https://forums.unrealengine.com/t/vs-doesnt-see-any-any-generated-files/344284)
**Author:** [@Unteroid](https://forums.unrealengine.com/u/Unteroid)\ **Replies:** 2\ **Last updated:** [January 16, 2016, 5:54pm UTC](https://forums.unrealengine.com/t/vs-doesnt-see-any-any-generated-files/344284 "2016-01-16T17:54:42Z")
After few months of work project refused to compile throwing cannot open source file "xxx.generated.h" In Every possible header my project have. I can’t build project or last successful configuration. Regenerating proj… --- ## [Unable to find Generated file from other module](https://forums.unrealengine.com/t/unable-to-find-generated-file-from-other-module/301501)
**Author:** [@BrynBennett](https://forums.unrealengine.com/u/BrynBennett)\ **Replies:** 9\ **Last updated:** [January 7, 2016, 7:37pm UTC](https://forums.unrealengine.com/t/unable-to-find-generated-file-from-other-module/301501 "2016-01-07T19:37:58Z")
I am trying to separate our game into 2 different modules. One is for the game and one is for the editor. Most of it is working except when I include any files from the game module from a file in the editor module, it ca… --- ## [\[generated.h\] Forward declaring Struct instead of Class FBox2D](https://forums.unrealengine.com/t/generated-h-forward-declaring-struct-instead-of-class-fbox2d/337911)
**Author:** [@HaltaeXS](https://forums.unrealengine.com/u/HaltaeXS)\ **Replies:** 1\ **Last updated:** [November 10, 2015, 12:16pm UTC](https://forums.unrealengine.com/t/generated-h-forward-declaring-struct-instead-of-class-fbox2d/337911 "2015-11-10T12:16:19Z")
Hello. I’m having an interesting trouble using FBox2D. When I build my c++ project with FBox2D, the generated header forward declares “struct FBox2D” instead of class, and then the compiler outputs error C4099 (meaning… --- ## [RandGen Spline Mesh Warping](https://forums.unrealengine.com/t/randgen-spline-mesh-warping/331163)
**Author:** [@ISJTrigger\_1](https://forums.unrealengine.com/u/ISJTrigger_1)\ **Replies:** 0\ **Last updated:** [September 5, 2015, 3:52pm UTC](https://forums.unrealengine.com/t/randgen-spline-mesh-warping/331163 "2015-09-05T15:52:21Z")
Hello! So I am attempting to make a Tree Generator using splines. I almost have it down except the spline meshes are warping weirdly (due to the tangents I believe) and I can’t seem to figure out how to fix them. Can an… --- ## [There is no generate unique uv in 4.5?](https://forums.unrealengine.com/t/there-is-no-generate-unique-uv-in-4-5/296440)
**Author:** [@Gr1m0n](https://forums.unrealengine.com/u/Gr1m0n)\ **Replies:** 4\ **Last updated:** [August 31, 2015, 8:28pm UTC](https://forums.unrealengine.com/t/there-is-no-generate-unique-uv-in-4-5/296440 "2015-08-31T20:28:06Z")
We started to use new 4.5 version of Unreal Engine 4 and we noticed that there is no function as a generate unique uv, we always used this function and we dissapointed that there is no such function in new Unreal Engine … --- ## [New error in 4.8 -- C2512: no appropriate default constructor available](https://forums.unrealengine.com/t/new-error-in-4-8-c2512-no-appropriate-default-constructor-available/328889)
**Author:** [@anonymous\_user\_1c4cdb3c](https://forums.unrealengine.com/u/anonymous_user_1c4cdb3c)\ **Replies:** 2\ **Last updated:** [August 17, 2015, 11:25pm UTC](https://forums.unrealengine.com/t/new-error-in-4-8-c2512-no-appropriate-default-constructor-available/328889 "2015-08-17T23:25:54Z")
I have a class derived from AActor and it contains a member that does not have a default constructor, i.e.: #include "GameFramework/Actor.h" #include "MyActor.generated.h" UCLASS() class MYGAME\_API AMyActor : public AA… --- ## [Generating editable boxes through BP](https://forums.unrealengine.com/t/generating-editable-boxes-through-bp/325614)
**Author:** [@johnyc90](https://forums.unrealengine.com/u/johnyc90)\ **Replies:** 0\ **Last updated:** [July 17, 2015, 11:43am UTC](https://forums.unrealengine.com/t/generating-editable-boxes-through-bp/325614 "2015-07-17T11:43:22Z")
Hi, I’m new to BP (with no programming background) and I’m trying to create a BP to spawn a given number of boxes (editable) in a random location, but that can later be moved and rescaled using the Construction Script. … --- ## [EQS generated around other then the querier](https://forums.unrealengine.com/t/eqs-generated-around-other-then-the-querier/312278)
**Author:** [@a\_najafi](https://forums.unrealengine.com/u/a_najafi)\ **Replies:** 1\ **Last updated:** [March 23, 2015, 7:10pm UTC](https://forums.unrealengine.com/t/eqs-generated-around-other-then-the-querier/312278 "2015-03-23T19:10:48Z")
Hey there guys so i have been testing around with the eqs and it is realy powerfull i have already been able to give the ai the power to jump over obstcles and later probably making it jump on higher platforms when need… [Next page](https://forums.unrealengine.com/tag/generated/1639.md?match_all_tags=true&page=1&tags%5B%5D=generated)