Get nasty crash when performing a diff between two revisions on a BP uasset and then select a parent section that was modified, followed by a specific action performed on that section of the BP.
"Assertion failed: Blueprint->SkeletonGeneratedClass != NULL [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.8\Engine\Source\Editor\Kismet\Private\BlueprintDetails KERNELBASE UE4Editor_Core!FOutputDeviceWindowsError::Serialize() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95] UE4Editor_Core!FOutputDevice::Logf__VA() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\misc\outputdevice.cpp:144] UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\misc\outputdevice.cpp:355] UE4Editor_Kismet!FBlueprintVarActionDetails::PopulateCategories() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\kismet\private\blueprintdetailscustomization.cpp:1080] UE4Editor_Kismet!FBlueprintGraphActionDetails::CustomizeDetails() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\kismet\private\blueprintdetailscustomization.cpp:2338] UE4Editor_PropertyEditor!SDetailsViewBase::QueryLayoutForClass() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\propertyeditor\private\sdetailsviewbase.cpp:512] UE4Editor_PropertyEditor!SDetailsViewBase::QueryCustomDetailLayout() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\propertyeditor\private\sdetailsviewbase.cpp:637] UE4Editor_PropertyEditor!SDetailsViewBase::UpdatePropertyMap() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\propertyeditor\private\sdetailsviewbase.cpp:1195] UE4Editor_PropertyEditor!SDetailsView::PostSetObject() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\propertyeditor\private\sdetailsview.cpp:612] UE4Editor_PropertyEditor!SDetailsView::SetObjectArrayPrivate() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\propertyeditor\private\sdetailsview.cpp:453] UE4Editor_PropertyEditor!SDetailsView::SetObjects() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\propertyeditor\private\sdetailsview.cpp:304] UE4Editor_Kismet!SKismetInspector::MakeContextualEditingWidget() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\kismet\private\skismetinspector.cpp:137] UE4Editor_Kismet!SKismetInspector::UpdateFromObjects() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\kismet\private\skismetinspector.cpp:657] UE4Editor_Kismet!SKismetInspector::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\editor\kismet\private\skismetinspector.cpp:96] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:647] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25] UE4Editor_Slate!SBorder::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:94] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_Slate!SBox::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\widgets\layout\sbox.cpp:169] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25] UE4Editor_Slate!SBorder::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:94] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:40] UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25] UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swidget.cpp:648] UE4Editor_SlateCore!SWindow::PaintWindow() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slatecore\private\widgets\swindow.cpp:1648] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:978] UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1188] UE4Editor_Slate!FSlateApplication::DrawWindows() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:941] UE4Editor_Slate!FSlateApplication::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1440] UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\launchengineloop.cpp:2388] UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\launch.cpp:142] UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
Head over to the existing Questions & Answers thread and let us know what's up.
| 0 |
| Component | UE - Gameplay - Blueprint Editor |
|---|---|
| Affects Versions | 4.8 |
| Target Fix | 4.13 |
| Fix Commit | 3040565 |
|---|---|
| Main Commit | 3043181 |
| Created | Jul 6, 2015 |
|---|---|
| Resolved | Jul 7, 2016 |
| Updated | Apr 27, 2018 |