I don't can to create Blackboard Component*

Development Programming & Scripting C++
, , ,
1

I cannot create Blackboard Component *. If I do this, then Unreal crashed.How do i fix this?

In .cpp file :
UBlackboardComponent* BlackboardComp;

In .h file :
UBlackboardComponent* BlackboardComp = CreateDefaultSubobject(TEXT(“BlackboardComp”));

LoginId:
EpicAccountId:

Fatal error:
[File:D:\Build++UE4\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectGlobals.cpp]
[Line: 3755] Default subobject
BlackboardComponent BlackboardComp
already exists for AI_Bot_Controller
/Script/AiProject4.Default__AI_Bot_Controller.

UE4Editor_Core!FDebug::AssertFailed()
[d:\build++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:417]
UE4Editor_CoreUObject!FObjectInitializer::CreateDefaultSubobject()
[d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:3755]
UE4Editor_CoreUObject!UObject::CreateDefaultSubobject()
[d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\obj.cpp:107]
UE4Editor_AiProject4_7155!AAI_Bot_Controller::AAI_Bot_Controller()
[d:\unrealengine4_project\aiproject4\source\aiproject4\ai_bot_controller.cpp:18]
UE4Editor_CoreUObject!UClass::CreateDefaultObject()
[d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:3019]
UE4Editor_CoreUObject!UObjectLoadAllCompiledInDefaultProperties()
[d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\uobjectbase.cpp:793]
UE4Editor_CoreUObject!ProcessNewlyLoadedUObjects()
[d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\uobjectbase.cpp:867]
UE4Editor_CoreUObject!TBaseStaticDelegateInstance __cdecl(void)>::ExecuteIfSafe() [d:\build++ue4\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:813]
UE4Editor_Core!TBaseMulticastDelegate::Broadcast()
[d:\build++ue4\sync\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:974]
UE4Editor_Core!FModuleManager::LoadModuleWithFailureReason()
[d:\build++ue4\sync\engine\source\runtime\core\private\modules\modulemanager.cpp:510]
UE4Editor_Core!FModuleManager::LoadModule()
[d:\build++ue4\sync\engine\source\runtime\core\private\modules\modulemanager.cpp:356]
UE4Editor_HotReload!FHotReloadModule::DoHotReloadInternal()
[d:\build++ue4\sync\engine\source\developer\hotreload\private\hotreload.cpp:784]
UE4Editor_HotReload!UE4Function_Private::TFunctionRefCaller<,void
__cdecl(TMap

const & __ptr64,bool,enum ECompilationResult::Type)>::Ca()
[d:\build++ue4\sync\engine\source\runtime\core\public\templates\function.h:371]
UE4Editor_HotReload!UE4Function_Private::TFunctionRefBase __cdecl(TMap
const & __ptr64,bool,enum ECompilationResult::Type)>::operator()
[d:\build++ue4\sync\engine\source\runtime\core\public\templates\function.h:493]
UE4Editor_HotReload!FHotReloadModule::CheckForFinishedModuleDLLCompile()
[d:\build++ue4\sync\engine\source\developer\hotreload\private\hotreload.cpp:1870]
UE4Editor_HotReload!FHotReloadModule::Tick()
[d:\build++ue4\sync\engine\source\developer\hotreload\private\hotreload.cpp:1416]
UE4Editor_Core!FTicker::Tick()
[d:\build++ue4\sync\engine\source\runtime\core\private\containers\ticker.cpp:95]
UE4Editor!FEngineLoop::Tick()
[d:\build++ue4\sync\engine\source\runtime\launch\private\launchengineloop.cpp:3894]
UE4Editor!GuardedMain()
[d:\build++ue4\sync\engine\source\runtime\launch\private\launch.cpp:174]
UE4Editor!GuardedMainWrapper()
[d:\build++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:145]
UE4Editor!WinMain()
[d:\build++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:276]
UE4Editor!__scrt_common_main_seh()
[f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:283]
kernel32 ntdll

2

You need to provide the class type in CreateDefaultSubobject, try:
UBlackboardComponent* BlackboardComp = CreateDefaultSubobject(TEXT(“BlackboardComp”));