Unreal Engine Issues and Bug Tracker (UE-45748)

Description

Code projects in the binary version of 4.16.1 cannot be launched without the Editor in the debugger in Visual Studio. The project hits a breakpoint while launching, with the following showing in the output:

Assertion failed: HasFoundDataDirectory [File:D:\Build\++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Core\Private\Internationalization\ICUInternationalization.cpp] [Line: 128] 
ICU data directory was not discovered:
../../../TestDebug/Content/Internationalization
../../../Engine/Content/Internationalization
TestDebug-Win64-DebugGame.exe has triggered a breakpoint.

This breakpoint is not hit if the Engine has been built from source code, or if the project is debugged with the Editor attached (eg. DebugGame Editor).

REGRESSION:
Yes. Projects in 4.15.3 can be debugged without the Editor.

Steps to Reproduce

Create a new Basic Code project.
Cook content for Windows.
Close the Editor.
Set the Solution Configuration in Visual Studio to DebugGame.
Right-click on the project in the Solution Explorer window and select Debug -> Start new instance.

RESULT:
Visual Studio hits a breakpoint when launching the project in the debugger.

EXPECTED:
The project successfully launches in the debugger.

Callstack

TestDebug-Win64-DebugGame.exe!FICUInternationalization::Initialize(void)
TestDebug-Win64-DebugGame.exe!FInternationalization::Get(void)
TestDebug-Win64-DebugGame.exe!BeginInitTextLocalization(void)
TestDebug-Win64-DebugGame.exe!FEngineLoop::AppInit(void)
TestDebug-Win64-DebugGame.exe!FEngineLoop::PreInit(wchar_t const *)
TestDebug-Win64-DebugGame.exe!GuardedMain(wchar_t const *,struct HINSTANCE__ *,struct HINSTANCE__ *,int)
TestDebug-Win64-DebugGame.exe!WinMain ()
TestDebug-Win64-DebugGame.exe!__scrt_common_main_seh() Line 264
kernel32.dll!00000000775e59cd()
ntdll.dll!000000007781a561()

Community References

Unreal 4.16.1 debug game build error: ICU data directory was not discovered

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Fixed

Component	UE - Foundation - Cpp Tools - UnrealBuildTool
Affects Versions	4.16.1
Target Fix	4.16.1

Fix Commit	3478522

Created	Jun 6, 2017
Resolved	Jun 7, 2017
Updated	Apr 27, 2018

UE-45748

Cannot debug code projects in the binary engine

Cannot debug code projects in the binary engine

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