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    Unreal is crashing always

    Hi,
    it's been long time now that i have this problem.
    i first was thinking it was because i'm not using UE correctly, but it's seems not my fault this time and let me explain why.

    i created a new project, with nothing inside. i only added a character, game mode and character control + a map to test my work.
    nothing more as you can see on the screenshot.

    now, the problem for me is that
    when i want to test my stuff, i clic play.
    testing the game... everything is ok
    esc to go back to my work and continue.
    after few seconds, Unreal crash without error message.
    no idea why it happens, it can happen without any action, or if i try to open character or any other project file...

    so it's frustrating to continusly have to reopen the project each time.
    and especially because i know that it will crash again the next time i'll get out from my next test.

    #2
    It seems that playing the game in "New Editor Window" help stabilising the Editor

    Comment


      #3
      Honestly it will crash for so many different reasons, it's totally Unreal, no pun intended.

      Comment


        #4
        You need provide callstack in order to get any real help.
        If crash reporter doesn't show proper symbols (readable class/function names), download debugging symbols via Launcher.

        Comment


          #5
          Originally posted by blackantmaster View Post
          ...
          I've pulled up your crash reports. You've experienced a few different crashes this past week.

          The one you have experienced the most is this - https://issues.unrealengine.com/issue/UE-47762. It's a DirectX11/Slate rendering issue. We do not know the exact cause of this, but it is likely related to GPU hardware/software.

          Three other crashes we do not have existing bug reports for, but they appear related to audio, preloading objects, and material shaders. For these it would be best to install the debugging symbols as mentioned, and if you are able to determine the reproduction cases, submit a bug report.

          Cheers
          Stephen Ellis | Enterprise Program Coordinator

          Comment


            #6
            UE4 is laughing in the error report...


            Code:
            LoginId:89133ed04f735ea30b9f0fbc88df8274
            EpicAccountId:6313157d60464dfd874c4d5e5cc052e9
            
            Fatal error: [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Util.cpp] [Line: 363] SwapChain->ResizeBuffers(1, SizeX, SizeY, RenderTargetFormat, DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH) failed at D:\Build\++UE4\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Viewport.cpp:257 with error DXGI_ERROR_INVALID_CALL, Size=512x259 Format=DXGI_FORMAT_R10G10B10A2_UNORM(0x00000018)
            
            UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:417]
            UE4Editor_D3D11RHI!VerifyD3D11ResizeViewportResult() [d:\build\++ue4\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11util.cpp:354]
            UE4Editor_D3D11RHI!FD3D11Viewport::Resize() [d:\build\++ue4\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:259]
            UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHIResizeViewport() [d:\build\++ue4\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:579]
            UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::ConditionalResizeViewport() [d:\build\++ue4\sync\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:384]
            UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindows_Private() [d:\build\++ue4\sync\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:1072]
            UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1593]
            UE4Editor_Slate!FSlateApplication::DrawWindows() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1279]
            UE4Editor_Slate!FSlateApplication::TickApplication() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1862]
            UE4Editor_Slate!FSlateApplication::Tick() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1693]
            UE4Editor!FEngineLoop::Tick() [d:\build\++ue4\sync\engine\source\runtime\launch\private\launchengineloop.cpp:3799]
            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

            Comment


              #7
              I can't even get the newer updated version of 4.21.2 to stay up for any length of time as of date (01/23/2019). At the moment it's simply unworkable, unmanageable and I hate to say this "Un-Playable!" (Pardon the pun) And that is after the update that was installed this morning (UK local) It looks like that bug still haunts me to this VERY day! Oh well it looks like I'll be waiting for 4.22 to be released! Stephen Ellis please can Epic Games sort out the crashes *FIRST* before adding further features to the engine? Unreal Editor is simply not functioning the way it should! Update, after update! Crash after crash!

              Comment


                #8
                Since it seems to be directx related, did you try the most obvious things?

                - Newest graphics drivers (AMD/NVidia)?
                - Use tools te completly remove the graphics driver before installing the latest one?
                - Reinstall UE4?
                - Last resort: reinstall Windows, and then try UE4 before installing all your other software/drivers(except graphics driver).

                And do you experience crashes in games? Perhaps try to stress test your video card, it could be a hardware problem (although that would mostly result in a system crash).
                Lets Measure It
                Blueprints to measure distances, area's, circumferences and routes/paths. Check out the marketplace: https://www.unrealengine.com/marketp...ets-measure-it

                Comment


                  #9
                  Originally posted by Martin Bean View Post
                  Since it seems to be directx related, did you try the most obvious things?

                  - Newest graphics drivers (AMD/NVidia)?
                  - Use tools te completly remove the graphics driver before installing the latest one?
                  - Reinstall UE4?
                  - Last resort: reinstall Windows, and then try UE4 before installing all your other software/drivers(except graphics driver).

                  And do you experience crashes in games? Perhaps try to stress test your video card, it could be a hardware problem (although that would mostly result in a system crash).
                  i updated Dx using the one provided in C:, it seems to have less problem now... (at this moment..)

                  Comment


                    #10
                    Any update on this? I just started seeing this on 2 different machines with 4.24.1. Didn't happen before Christmas, don't know what updates were done to Windows, Nvidia drivers, Unreal since mid-December so not sure what to try here. I've updated everything I can find updates for. Maybe rolling back Nvidia drivers will help?

                    Gooner44
                    Cribbage Sample Project on MP

                    Comment


                      #11
                      I'm running older version of UE4 (4.19.2) and get the random "Fatal Error" that crashes the game. The issue is that I'm using this at work for visualization, and you can't show a client something that fails. There seem to be days where it doesn't happen and others where it's happening all the time.

                      When I have a very basic form of my visualization, it seems to work fine. I can then change/add one thing and it will start crashing. If I remove that one issue, it still crashes. That along with the lack of error messages make it pretty difficult to figure out what's going on.

                      I'm running DirectX12, Windows 10, on a dell laptop, intel i7 ~2.7GHZ, 16G ram, NVIDIA Quadro M1200 graphics.
                      Last edited by BWindsor; 01-13-2020, 11:23 AM.

                      Comment


                        #12
                        It may be a bit early to say for sure, but I think I found the issue for me. I noticed I wasn't having the same issue in some other projects that were much bigger, but I was doing much of the same stuff. Not sure what made me think of it, but I decided to remove a bunch of FX that had GPU Emitters in them. I had downloaded an asset pack with a bunch and it seems like that might have been the issue. Not sure why that would have been the cause since I wasn't using any of those, but I haven't had a crash since I took them all out. And I had multiple crashes trying to remove them so it seems that is a good sign that it's gone.
                        Gooner44
                        Cribbage Sample Project on MP

                        Comment

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