just like the question sayd , unreal is chrashong and i dont know why
Generating report for minidump
Application version 4.10.1
… built from changelist 2791327
OS version 10.0.0.10240
Running 8 x64 processors
Exception was “Access violation - code c0000005 (first/second chance not available)”
UnrealEd!ApplyUnroll() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:244]
UE4Editor_UnrealEd!ApplyUnroll() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:246]
UE4Editor_UnrealEd!ApplyUnroll() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:246]
UE4Editor_UnrealEd!ApplyUnroll() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:246]
UE4Editor_UnrealEd!ApplyUnroll() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:246]
UE4Editor_UnrealEd!UnFbx::FFbxImporter::MergeAllLayerAnimation() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:263]
UE4Editor_UnrealEd!UnFbx::FFbxImporter::ValidateAnimStack() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:638]
UE4Editor_UnrealEd!UnFbx::FFbxImporter::ImportAnimations() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\skeletalmeshedit.cpp:506]
UE4Editor_UnrealEd!UnFbx::FFbxImporter::SetupAnimationDataFromMesh() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\fbx\fbxskeletalmeshimport.cpp:1517]
UE4Editor_UnrealEd!UFbxFactory::FactoryCreateBinary() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\fbx\fbxfactory.cpp:406]
UE4Editor_UnrealEd!UFactory::StaticImportObject() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\factories\factory.cpp:312]
UE4Editor_UnrealEd!AttemptImport() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\autoreimport\contentdirectorymonitor.cpp:156]
UE4Editor_UnrealEd!FContentDirectoryMonitor::ProcessAdditions() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\autoreimport\contentdirectorymonitor.cpp:235]
UE4Editor_UnrealEd!FAutoReimportManager::ProcessAdditions() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\autoreimport\autoreimportmanager.cpp:465]
UE4Editor_UnrealEd!::operator()() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\autoreimport\autoreimportmanager.cpp:247]
UE4Editor_UnrealEd!UE4Function_Private::TFunctionRefCaller<,TOptional cdecl(DirectoryWatcher::FTimeLimit const & ptr64)>::Call() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\templates\function.h:180]
UE4Editor_UnrealEd!UE4Function_Private::TFunctionRefBase cdecl(DirectoryWatcher::FTimeLimit const & ptr64)>::operator()() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\core\public\templates\function.h:217]
UE4Editor_UnrealEd!FStateMachine::Tick() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\autoreimport\autoreimportmanager.cpp:50]
UE4Editor_UnrealEd!FAutoReimportManager::Tick() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\autoreimport\autoreimportmanager.cpp:666]
UE4Editor_UnrealEd!FTickableEditorObject::TickObjects() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\unrealed\public\tickableeditorobject.h:15]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\editorengine.cpp:1116]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\unrealedengine.cpp:361]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2427]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll
