# \#c-build **URL:** https://forums.unrealengine.com/tag/c-build/1022.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [How can I fix error c1083 on building my c++ projects?](https://forums.unrealengine.com/t/how-can-i-fix-error-c1083-on-building-my-c-projects/322695)
**Author:** [@Skrox](https://forums.unrealengine.com/u/Skrox)\ **Replies:** 1\ **Last updated:** [October 11, 2023, 6:28pm UTC](https://forums.unrealengine.com/t/how-can-i-fix-error-c1083-on-building-my-c-projects/322695 "2023-10-11T18:28:52Z")
Upon creating a c++ project with unreal engine, the project will fail to compile, and suggest for me to open the project in visual studio. In visual studio, I try to compile the project, as well as the engine. The comp… --- ## [Can't attach MVS 2015 debugger to Android device](https://forums.unrealengine.com/t/cant-attach-mvs-2015-debugger-to-android-device/357666)
**Author:** [@WolfAlvein](https://forums.unrealengine.com/u/WolfAlvein)\ **Replies:** 10\ **Last updated:** [December 12, 2022, 9:35am UTC](https://forums.unrealengine.com/t/cant-attach-mvs-2015-debugger-to-android-device/357666 "2022-12-12T09:35:47Z")
Hi everyone, I followed the “Set up Android” steps from the documentation, using the version of AndroidWorks that ships with the engine but I can´t seem to be able to debug the application once it´s launched on my Androi… --- ## [Error CS1729: 'UnrealBuildTool.ModuleRules' does not contain a constructor that takes 0 arguments](https://forums.unrealengine.com/t/error-cs1729-unrealbuildtool-modulerules-does-not-contain-a-constructor-that-takes-0-arguments/468726)
**Author:** [@UnrealFreak100](https://forums.unrealengine.com/u/UnrealFreak100)\ **Replies:** 2\ **Last updated:** [July 18, 2022, 9:46am UTC](https://forums.unrealengine.com/t/error-cs1729-unrealbuildtool-modulerules-does-not-contain-a-constructor-that-takes-0-arguments/468726 "2022-07-18T09:46:27Z")
I am getting this error when trying to “generate visual studio project files”. I don’t know to work with c++ thing of Unreal Engine. Please help me in getting the possible fix. Thanks in Advance. here is my build.cs cod… --- ## [Error LNK2019: unresolved external symbol "\_\_declspec(dllimport) class UEnum \*](https://forums.unrealengine.com/t/error-lnk2019-unresolved-external-symbol-declspec-dllimport-class-uenum/491619)
**Author:** [@Chronos2010](https://forums.unrealengine.com/u/Chronos2010)\ **Replies:** 2\ **Last updated:** [December 5, 2021, 1:39pm UTC](https://forums.unrealengine.com/t/error-lnk2019-unresolved-external-symbol-declspec-dllimport-class-uenum/491619 "2021-12-05T13:39:28Z")
When i write this code it throws an error…May someone know?how to fix this error?? My include files: #include “Chaos/ChaosEngineInterface.h” #include “Containers/EnumAsByte.h” #include “Kismet/GameplayStatics.h” #… --- ## [Exclude file from unity build](https://forums.unrealengine.com/t/exclude-file-from-unity-build/469174)
**Author:** [@anonymous\_user\_dde3480a](https://forums.unrealengine.com/u/anonymous_user_dde3480a)\ **Replies:** 2\ **Last updated:** [November 4, 2021, 9:12pm UTC](https://forums.unrealengine.com/t/exclude-file-from-unity-build/469174 "2021-11-04T21:12:52Z")
Hello! I need to implement some platform-specific piece of code. Pretty small one. The issue is, Windows.h being included conditionally in my implementation file creates conflict with some UE code due to unity builds. I… --- ## [LandscapeEditorUtils::SetHeightmapData](https://forums.unrealengine.com/t/landscapeeditorutils-setheightmapdata/488407)
**Author:** [@jikks](https://forums.unrealengine.com/u/jikks)\ **Replies:** 0\ **Last updated:** [September 5, 2021, 10:28am UTC](https://forums.unrealengine.com/t/landscapeeditorutils-setheightmapdata/488407 "2021-09-05T10:28:46Z")
I had code a perlin noise terrain generate function refer to a book. The example has use the LandscapeEditorUtils::SetHeightmapData function to recreate terrain haight. If it’s ok, return true. I use it, and the resu… --- ## [Inherited Shape Component](https://forums.unrealengine.com/t/inherited-shape-component/447032)
**Author:** [@anonymous\_user\_92e84e05](https://forums.unrealengine.com/u/anonymous_user_92e84e05)\ **Replies:** 1\ **Last updated:** [August 7, 2021, 11:32am UTC](https://forums.unrealengine.com/t/inherited-shape-component/447032 "2021-08-07T11:32:08Z")
Hi everyone, Im trying to create a custom Capsule Component inherited from ShapeComponent. Im just clone CapsuleComponent in Engine code and change some variable. Everything’s ok except ShapeComponent::CreateShapeBodySet… --- ## [Why does this Pointer return nullptr in a Function but in a begin play function works fine](https://forums.unrealengine.com/t/why-does-this-pointer-return-nullptr-in-a-function-but-in-a-begin-play-function-works-fine/486524)
**Author:** [@Gassed](https://forums.unrealengine.com/u/Gassed)\ **Replies:** 1\ **Last updated:** [July 23, 2021, 6:40am UTC](https://forums.unrealengine.com/t/why-does-this-pointer-return-nullptr-in-a-function-but-in-a-begin-play-function-works-fine/486524 "2021-07-23T06:40:51Z")
APlayerController\* OurPlayerController = UGameplayStatics::GetPlayerController(this, 0); Can someone explain to me why this pointer returns the correct playercontroller in the Begin Play Function but when I use the same… --- ## [Need some explanation about GenerateProjectFiles and Makefile](https://forums.unrealengine.com/t/need-some-explanation-about-generateprojectfiles-and-makefile/479822)
**Author:** [@R3D9477](https://forums.unrealengine.com/u/R3D9477)\ **Replies:** 0\ **Last updated:** [March 9, 2021, 2:20am UTC](https://forums.unrealengine.com/t/need-some-explanation-about-generateprojectfiles-and-makefile/479822 "2021-03-09T02:20:40Z")
Hello. I have two different projects, the first was created from C++ template, and the second is Empty Blueprint project. The first project has a Makefile with the second building targets: UNREALROOTPATH = /home/r3d94… --- ## [Enum in c++](https://forums.unrealengine.com/t/enum-in-c/477778)
**Author:** [@MRSagor949](https://forums.unrealengine.com/u/MRSagor949)\ **Replies:** 13\ **Last updated:** [January 26, 2021, 11:21pm UTC](https://forums.unrealengine.com/t/enum-in-c/477778 "2021-01-26T23:21:03Z")
Hello, I’m new to c++. I’m a blueprint programmer. Now I’m trying to convert my blueprint project into c++. But I have got a lot of errors at startup. When I am creating enum with none c++ class then write this code it’s… --- ## [Use of undeclared identifier 'FJavaWrapper'](https://forums.unrealengine.com/t/use-of-undeclared-identifier-fjavawrapper/474623)
**Author:** [@progy85](https://forums.unrealengine.com/u/progy85)\ **Replies:** 2\ **Last updated:** [November 19, 2020, 6:29am UTC](https://forums.unrealengine.com/t/use-of-undeclared-identifier-fjavawrapper/474623 "2020-11-19T06:29:51Z")
hi, after package for android I got: MyUserWidget.cpp(11,38): error: use of undeclared identifier ‘FJavaWrapper’ This I got problem only in if use custom widget, if used actor works… Build in VS works ok, in UE4 in o… --- ## [Error "Failed To Launch Editor" | UE4 build from source error](https://forums.unrealengine.com/t/error-failed-to-launch-editor-ue4-build-from-source-error/472664)
**Author:** [@Walid\_Chekkouri](https://forums.unrealengine.com/u/Walid_Chekkouri)\ **Replies:** 1\ **Last updated:** [October 9, 2020, 1:47pm UTC](https://forums.unrealengine.com/t/error-failed-to-launch-editor-ue4-build-from-source-error/472664 "2020-10-09T13:47:37Z")
I have a problem launching my UE4 project, whenever I try to launch it I get an error “Filed To Launch Editor”. I’m using a github UE4.24 version, followed all steps to build the engine which was successful the first … --- ## [I cant create c++ project UE4.25.3 on Ubuntu 20.0.4](https://forums.unrealengine.com/t/i-cant-create-c-project-ue4-25-3-on-ubuntu-20-0-4/469702)
**Author:** [@Steetstyle](https://forums.unrealengine.com/u/Steetstyle)\ **Replies:** 1\ **Last updated:** [August 15, 2020, 10:21am UTC](https://forums.unrealengine.com/t/i-cant-create-c-project-ue4-25-3-on-ubuntu-20-0-4/469702 "2020-08-15T10:21:05Z")
clang --version clang version 10.0.0-4ubuntu1 Target: x86\_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin --- ## [Can't compile new C++ project: 'You cannot use raw method delegates with UObjects'](https://forums.unrealengine.com/t/cant-compile-new-c-project-you-cannot-use-raw-method-delegates-with-uobjects/466056)
**Author:** [@anonymous\_user\_2be4075c](https://forums.unrealengine.com/u/anonymous_user_2be4075c)\ **Replies:** 1\ **Last updated:** [July 22, 2020, 2:44am UTC](https://forums.unrealengine.com/t/cant-compile-new-c-project-you-cannot-use-raw-method-delegates-with-uobjects/466056 "2020-07-22T02:44:06Z")
When I attempt to create a new project using 4.25, the compile fails and I am given this error: The project could not be compiled. Would you like to open it in Visual Studio? Running D:/Games/UE\_4.25/Engine/Binaries/… --- ## [UE4 project suspends process by itself after it loads 75%](https://forums.unrealengine.com/t/ue4-project-suspends-process-by-itself-after-it-loads-75/468256)
**Author:** [@Rosium](https://forums.unrealengine.com/u/Rosium)\ **Replies:** 1\ **Last updated:** [July 16, 2020, 4:11pm UTC](https://forums.unrealengine.com/t/ue4-project-suspends-process-by-itself-after-it-loads-75/468256 "2020-07-16T16:11:39Z")
\[this is the 3rd attempt in writing,…please pardon my frustration if i come off angry\] I need help figuring out why my project will no longer open after debugging in Visual studio. i made a fresh pull from Git and the… --- ## [How to solve error C1034 in Visual Studio with Advanced Steam Sessions?](https://forums.unrealengine.com/t/how-to-solve-error-c1034-in-visual-studio-with-advanced-steam-sessions/465281)
**Author:** [@AndreWagner](https://forums.unrealengine.com/u/AndreWagner)\ **Replies:** 0\ **Last updated:** [May 16, 2020, 2:58pm UTC](https://forums.unrealengine.com/t/how-to-solve-error-c1034-in-visual-studio-with-advanced-steam-sessions/465281 "2020-05-16T14:58:53Z")
Hi there, so I have a problem. When i want to build my game with advanced steam Sessions activated in Visual Studio 2017, i get this mistake. C1034, no search path for header files included. I hope you can help me, sol… --- ## [Can't build any DatasmithXXX.vcxproj from 4.24 source](https://forums.unrealengine.com/t/cant-build-any-datasmithxxx-vcxproj-from-4-24-source/459615)
**Author:** [@kusogaki77](https://forums.unrealengine.com/u/kusogaki77)\ **Replies:** 3\ **Last updated:** [December 28, 2019, 2:46am UTC](https://forums.unrealengine.com/t/cant-build-any-datasmithxxx-vcxproj-from-4-24-source/459615 "2019-12-28T02:46:41Z")
Currently on VS 2017 15.9.18 (updated to latest). I have a modified fork of the engine, that I’ve been porting over to new source releases (starting from 4.21 to 4.23). Forked 4.24 release and implemented the changes. … --- ## [Unreal 4.21.2 & Android API L28 packaging causes fatal error: 'new' file not found](https://forums.unrealengine.com/t/unreal-4-21-2-android-api-l28-packaging-causes-fatal-error-new-file-not-found/455001)
**Author:** [@anonymous\_user\_e5fd97cf](https://forums.unrealengine.com/u/anonymous_user_e5fd97cf)\ **Replies:** 0\ **Last updated:** [September 8, 2019, 9:58pm UTC](https://forums.unrealengine.com/t/unreal-4-21-2-android-api-l28-packaging-causes-fatal-error-new-file-not-found/455001 "2019-09-08T21:58:12Z")
Google Play Store now requires its APKs to support at least Android API L28 in order to be uploaded. I’m building an Unreal 4.21.2 project and it fails to build when configured for API Level 28 and the minimum NDK for t… --- ## [Unreal Engine 4 Intellisense for Visual Studios 2015](https://forums.unrealengine.com/t/unreal-engine-4-intellisense-for-visual-studios-2015/341626)
**Author:** [@gamebro2222](https://forums.unrealengine.com/u/gamebro2222)\ **Replies:** 5\ **Last updated:** [September 2, 2019, 12:57pm UTC](https://forums.unrealengine.com/t/unreal-engine-4-intellisense-for-visual-studios-2015/341626 "2019-09-02T12:57:08Z")
I have visual studios 2015 community installed and the engine is up and running just fine except there’s constant red lines stating that it does not identify many unreal engine 4 statements such as GENERATE\_BODY(), UCLAS… --- ## [Packaging for IOS: fatal error: 'Components\\BoxComponent.h' file not found](https://forums.unrealengine.com/t/packaging-for-ios-fatal-error-components-boxcomponent-h-file-not-found/453145)
**Author:** [@JoeSmR](https://forums.unrealengine.com/u/JoeSmR)\ **Replies:** 0\ **Last updated:** [July 31, 2019, 6:07pm UTC](https://forums.unrealengine.com/t/packaging-for-ios-fatal-error-components-boxcomponent-h-file-not-found/453145 "2019-07-31T18:07:19Z")
To preface, I am building a C++ base project for IOS on windows with a remote connection to a Mac. I was packaging the project for the first time(I also tested this a second time with the same results), when packaging f… --- ## [Project has stopped compiling](https://forums.unrealengine.com/t/project-has-stopped-compiling/450446)
**Author:** [@Arazu](https://forums.unrealengine.com/u/Arazu)\ **Replies:** 1\ **Last updated:** [June 10, 2019, 8:30pm UTC](https://forums.unrealengine.com/t/project-has-stopped-compiling/450446 "2019-06-10T20:30:11Z")
My project has seemingly stopped compiling for no apparent reason! Here are the build errors that I am getting: 1\>C:\\Program Files\\Epic Games\\UE\_4.22\\Engine\\Source\\Runtime\\Core\\Public\\Clang/ClangPlatformMath.h(29): err… --- ## [Is it possible to build in Linux using cmake/make?](https://forums.unrealengine.com/t/is-it-possible-to-build-in-linux-using-cmake-make/439462)
**Author:** [@eblade](https://forums.unrealengine.com/u/eblade)\ **Replies:** 6\ **Last updated:** [December 18, 2018, 6:48pm UTC](https://forums.unrealengine.com/t/is-it-possible-to-build-in-linux-using-cmake-make/439462 "2018-12-18T18:48:23Z")
Hi all! I’m trying to get an Engine build using cmake/make – this needs to be automated, and i really would prefer to use cmake to be able to configure the build. I’m noticing that when I run GenerateProjectFiles.sh, I… --- ## [I can't create a C++ project on my OS X](https://forums.unrealengine.com/t/i-cant-create-a-c-project-on-my-os-x/367295)
**Author:** [@anonymous\_user\_65e70e32](https://forums.unrealengine.com/u/anonymous_user_65e70e32)\ **Replies:** 8\ **Last updated:** [October 30, 2018, 3:14am UTC](https://forums.unrealengine.com/t/i-cant-create-a-c-project-on-my-os-x/367295 "2018-10-30T03:14:40Z")
I want to create an project in c++ on My Mac OS X (1,6 GHz Intel Core i5/Intel HD Graphics 6000 1536 MB) but i always get this warning message: An error occurred while trying to generate project files. Running Mono… S… --- ## [Can I get the full C++ code of my game?](https://forums.unrealengine.com/t/can-i-get-the-full-c-code-of-my-game/436284)
**Author:** [@Catalinu96](https://forums.unrealengine.com/u/Catalinu96)\ **Replies:** 4\ **Last updated:** [October 28, 2018, 10:12am UTC](https://forums.unrealengine.com/t/can-i-get-the-full-c-code-of-my-game/436284 "2018-10-28T10:12:31Z")
Hi! I’m trying to make a game for a project and to make it in time I decided I should make it using blueprints, but to present it and get a passing grade I need to present the C++ code used in making the game. Consideri… --- ## [How to unload/unlock a implicit-linked delay-loaded dll?](https://forums.unrealengine.com/t/how-to-unload-unlock-a-implicit-linked-delay-loaded-dll/432258)
**Author:** [@AirKuma](https://forums.unrealengine.com/u/AirKuma)\ **Replies:** 0\ **Last updated:** [August 23, 2018, 5:55am UTC](https://forums.unrealengine.com/t/how-to-unload-unlock-a-implicit-linked-delay-loaded-dll/432258 "2018-08-23T05:55:47Z")
Sorry for my bad English. During PIE, I can successfully unload my implicit-linked dll by calling \_\_FUnloadDelayLoadedDLL2, and consequently the dll file is no longer locked by the operating system. However in my edito… --- ## [Generating dll while UE4 editor is opened](https://forums.unrealengine.com/t/generating-dll-while-ue4-editor-is-opened/384546)
**Author:** [@Flash7](https://forums.unrealengine.com/u/Flash7)\ **Replies:** 55\ **Last updated:** [June 6, 2018, 11:17pm UTC](https://forums.unrealengine.com/t/generating-dll-while-ue4-editor-is-opened/384546 "2018-06-06T23:17:26Z")
I noticed, that in 4.15 I cannot build c++ code while editor is opened. I had not such problem with 4.14. If I close the editor, it goes thru just fine. Here is the error: 2\> Creating library C:\\GameArtists\\Unreal\\… --- ## [How to use precompiled uobject plugin?](https://forums.unrealengine.com/t/how-to-use-precompiled-uobject-plugin/403664)
**Author:** [@anonymous\_user\_818df549](https://forums.unrealengine.com/u/anonymous_user_818df549)\ **Replies:** 2\ **Last updated:** [June 1, 2018, 2:00pm UTC](https://forums.unrealengine.com/t/how-to-use-precompiled-uobject-plugin/403664 "2018-06-01T14:00:23Z")
Hi, My plugin contains uobject c++ code, I package my plugin into a folder for distribution. Then I create a project, delete the precompiled plugin’s cpp files, keep header files, copy plugin into “Plugins” folder. c… --- ## [Anyone tried latest build of UE4 with Flex?](https://forums.unrealengine.com/t/anyone-tried-latest-build-of-ue4-with-flex/314502)
**Author:** [@rkrash](https://forums.unrealengine.com/u/rkrash)\ **Replies:** 1\ **Last updated:** [May 14, 2018, 3:02pm UTC](https://forums.unrealengine.com/t/anyone-tried-latest-build-of-ue4-with-flex/314502 "2018-05-14T15:02:24Z")
I am getting an error when cross-compiling Linux engine in VS2013 and 12. Selected configuration is Development/Linux. Win64 builds fine. 1\> \[1/2\] Compile Module.Engine.28\_of\_30.cpp 1\> In file included from C:\\Dev\\U… --- ## [ERROR: No 32-bit compiler toolchain found in C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\cl.exe](https://forums.unrealengine.com/t/error-no-32-bit-compiler-toolchain-found-in-c-program-files-x86-microsoft-visual-studio-14-0-vc-bin-cl-exe/381165)
**Author:** [@anonymous\_user\_0fbaea45](https://forums.unrealengine.com/u/anonymous_user_0fbaea45)\ **Replies:** 10\ **Last updated:** [February 4, 2018, 5:55pm UTC](https://forums.unrealengine.com/t/error-no-32-bit-compiler-toolchain-found-in-c-program-files-x86-microsoft-visual-studio-14-0-vc-bin-cl-exe/381165 "2018-02-04T17:55:00Z")
I installed visual studio 2017 RC and installed visual C++ tools and the Unreal engine tools. When I try to create a new C++ project the following error pops up - ERROR: No 32-bit compiler toolchain found in C:\\Program F… --- ## [Character class C++ error](https://forums.unrealengine.com/t/character-class-c-error/416035)
**Author:** [@anonymous\_user\_8c99c8a1](https://forums.unrealengine.com/u/anonymous_user_8c99c8a1)\ **Replies:** 0\ **Last updated:** [January 31, 2018, 2:53pm UTC](https://forums.unrealengine.com/t/character-class-c-error/416035 "2018-01-31T14:53:26Z")
Hi! I’m quite new to Unreal Engine and C++. I’m following the Twin Stick Shooter tutorial (link:text) and I’ve got problems with building the character class code. I think it’s because I’m using different version of UE4… [Next page](https://forums.unrealengine.com/tag/c-build/1022.md?match_all_tags=true&page=1&tags%5B%5D=c-build)