Unity sometimes crashes without any reason.

Question

Unity sometimes crashes without any reason. It could be when I am saving the scene, when I am opening play mode or when I am opening the scene in the editor and close it. Stacktrace makes no sense to me.

 ========== OUTPUTTING STACK TRACE ==================
 
 0x00007FF9A72EC018 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\unity-liveness.c:321] mono_traverse_objects 
 0x00007FF9A72EC2B1 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\unity-liveness.c:549] mono_unity_liveness_calculation_from_root 
 0x00007FF6A0471455 (Unity) MarkDependencies
 0x00007FF6A046E068 (Unity) GarbageCollectSharedAssets
 0x00007FF6A04A5336 (Unity) UnloadUnusedAssetsOperation::IntegrateMainThread
 0x00007FF6A04A8A79 (Unity) PreloadManager::UpdatePreloadingSingleStep
 0x00007FF6A04A92A1 (Unity) PreloadManager::WaitForAllAsyncOperationsToComplete
 0x00007FF69EDDA77B (Unity) EditorSceneManager::RestoreSceneBackups
 0x00007FF69EDD9235 (Unity) EditorSceneManager::OpenSceneLoaded
 0x00007FF69EDD83B5 (Unity) EditorSceneManager::OpenScene
 0x00007FF69E852883 (Unity) Application::OpenFileGeneric
 0x00007FF69E6E22CE (Unity) OpenAsset
 0x00007FF69F778D99 (Unity) AssetDatabase_CUSTOM_OpenAsset
 0x000002114FB6EB50 (Mono JIT Code) (wrapper managed-to-native) UnityEditor.AssetDatabase:OpenAsset (int,int,int)
 0x000002114FB6E9BB (Mono JIT Code) UnityEditor.AssetDatabase:OpenAsset (int,int)
 0x000002114FB6E863 (Mono JIT Code) UnityEditor.AssetDatabase:OpenAsset (int)
 0x000002114FB6E4AB (Mono JIT Code) UnityEditor.ProjectBrowser:OpenAssetSelection (int[])
 0x000002114FB69FEB (Mono JIT Code) UnityEditor.ProjectBrowser:OpenListAreaSelection ()
 0x000002114FB5917B (Mono JIT Code) UnityEditor.ProjectBrowser:ListAreaItemSelectedCallback (bool)
 0x000002114FB58A91 (Mono JIT Code) UnityEditor.ObjectListArea:SetSelection (int[],bool)
 0x0000020F8B4DA01B (Mono JIT Code) UnityEditor.ObjectListArea/LocalGroup:HandleMouseWithDragging (UnityEditorInternal.InternalEditorUtility/AssetReference&,int,UnityEngine.Rect)
 0x0000020F8B4D87A3 (Mono JIT Code) UnityEditor.ObjectListArea/LocalGroup:DrawItem (UnityEngine.Rect,UnityEditor.FilteredHierarchy/FilterResult,UnityEditor.BuiltinResource,bool)
 0x0000020F8B4C6CE3 (Mono JIT Code) UnityEditor.ObjectListArea/LocalGroup:DrawInternal (int,int,single)
 0x0000020F8B4C53A0 (Mono JIT Code) UnityEditor.ObjectListArea/Group:Draw (single,UnityEngine.Vector2,int&)
 0x0000020F8B4C1553 (Mono JIT Code) UnityEditor.ObjectListArea:HandleListArea ()
 0x0000020F8B4BCD0B (Mono JIT Code) UnityEditor.ObjectListArea:OnGUI (UnityEngine.Rect,int)
 0x0000020F8B44445B (Mono JIT Code) UnityEditor.ProjectBrowser:OnGUI ()
 0x00000211B5BF9F10 (Mono JIT Code) (wrapper runtime-invoke) object:runtime_invoke_void__this__ (object,intptr,intptr,intptr)
 0x00007FF9A72FCBA0 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\mini\mini-runtime.c:2809] mono_jit_runtime_invoke 
 0x00007FF9A7282112 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\object.c:2921] do_runtime_invoke 
 0x00007FF9A728B2E2 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\object.c:3073] mono_runtime_invoke_checked 
 0x00007FF9A728BA79 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\object.c:5264] mono_runtime_try_invoke_array 
 0x00007FF9A728B276 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\object.c:5142] mono_runtime_invoke_array_checked 
 0x00007FF9A72302A4 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\icall.c:3358] ves_icall_InternalInvoke 
 0x00000211B5D64D26 (Mono JIT Code) (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)
 0x00000211B5D6376B (Mono JIT Code) System.Reflection.MonoMethod:Invoke (object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo)
 0x0000020F89A6611F (Mono JIT Code) System.Reflection.MethodBase:Invoke (object,object[])
 0x0000020F89CEC33B (Mono JIT Code) UnityEditor.HostView:Invoke (string,object)
 0x0000020F89CEC18B (Mono JIT Code) UnityEditor.HostView:Invoke (string)
 0x0000020F89FA2E0B (Mono JIT Code) UnityEditor.HostView:InvokeOnGUI (UnityEngine.Rect,UnityEngine.Rect)
 0x0000020F89FA2883 (Mono JIT Code) UnityEditor.DockArea:DrawView (UnityEngine.Rect,UnityEngine.Rect)
 0x0000020F89F8CC1B (Mono JIT Code) UnityEditor.DockArea:OldOnGUI ()
 0x0000020F89F4169A (Mono JIT Code) UnityEngine.UIElements.IMGUIContainer:DoOnGUI (UnityEngine.Event,UnityEngine.Matrix4x4,UnityEngine.Rect,bool,UnityEngine.Rect,System.Action,bool)
 0x0000020F89F3F0A3 (Mono JIT Code) UnityEngine.UIElements.IMGUIContainer:HandleIMGUIEvent (UnityEngine.Event,UnityEngine.Matrix4x4,UnityEngine.Rect,System.Action,bool)
 0x0000020F89F3CBBB (Mono JIT Code) UnityEngine.UIElements.IMGUIContainer:HandleIMGUIEvent (UnityEngine.Event,System.Action,bool)
 0x0000020F89F3C763 (Mono JIT Code) UnityEngine.UIElements.IMGUIContainer:HandleIMGUIEvent (UnityEngine.Event,bool)
 0x0000020F89F3C2F3 (Mono JIT Code) UnityEngine.UIElements.IMGUIContainer:SendEventToIMGUI (UnityEngine.UIElements.EventBase,bool)
 0x0000020F89CCD183 (Mono JIT Code) UnityEngine.UIElements.IMGUIContainer:HandleEvent (UnityEngine.UIElements.EventBase)
 0x0000020F89CBA60A (Mono JIT Code) UnityEngine.UIElements.EventDispatchUtilities:PropagateEvent (UnityEngine.UIElements.EventBase)
 0x000002114EAD172B (Mono JIT Code) UnityEngine.UIElements.MouseEventDispatchingStrategy:DispatchEvent (UnityEngine.UIElements.EventBase,UnityEngine.UIElements.IPanel)
 0x0000020F89CB7256 (Mono JIT Code) UnityEngine.UIElements.EventDispatcher:ApplyDispatchingStrategies (UnityEngine.UIElements.EventBase,UnityEngine.UIElements.IPanel,bool)
 0x0000020F89CB5DD3 (Mono JIT Code) UnityEngine.UIElements.EventDispatcher:ProcessEvent (UnityEngine.UIElements.EventBase,UnityEngine.UIElements.IPanel)
 0x0000020F89CB4FEB (Mono JIT Code) UnityEngine.UIElements.EventDispatcher:ProcessEventQueue ()
 0x0000020F89CB4BFB (Mono JIT Code) UnityEngine.UIElements.EventDispatcher:OpenGate ()
 0x0000020F89CB497B (Mono JIT Code) UnityEngine.UIElements.EventDispatcherGate:Dispose ()
 0x0000020F89CB66DB (Mono JIT Code) UnityEngine.UIElements.EventDispatcher:ProcessEvent (UnityEngine.UIElements.EventBase,UnityEngine.UIElements.IPanel)
 0x0000020F89CAF873 (Mono JIT Code) UnityEngine.UIElements.EventDispatcher:Dispatch (UnityEngine.UIElements.EventBase,UnityEngine.UIElements.IPanel,UnityEngine.UIElements.DispatchMode)
 0x0000020F89CAF3BB (Mono JIT Code) UnityEngine.UIElements.BaseVisualElementPanel:SendEvent (UnityEngine.UIElements.EventBase,UnityEngine.UIElements.DispatchMode)
 0x0000020F89EFDCC3 (Mono JIT Code) UnityEngine.UIElements.UIElementsUtility:DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel)
 0x0000020F89EFD06B (Mono JIT Code) UnityEngine.UIElements.UIElementsUtility:ProcessEvent (int,intptr)
 0x0000020F89EFC8D3 (Mono JIT Code) UnityEngine.GUIUtility:ProcessEvent (int,intptr)
 0x0000020F89EFCB53 (Mono JIT Code) (wrapper runtime-invoke) <Module>:runtime_invoke_bool_int_intptr (object,intptr,intptr,intptr)
 0x00007FF9A72FCBA0 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\mini\mini-runtime.c:2809] mono_jit_runtime_invoke 
 0x00007FF9A7282112 (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\object.c:2921] do_runtime_invoke 
 0x00007FF9A728B10F (mono-2.0-bdwgc) [c:\build\output\unity-technologies\mono\mono\metadata\object.c:2968] mono_runtime_invoke 
 0x00007FF6A09DE9AE (Unity) scripting_method_invoke
 0x00007FF6A09D86FD (Unity) ScriptingInvocation::Invoke
 0x00007FF6A09D270A (Unity) ScriptingInvocation::Invoke<bool>
 0x00007FF69DD84FD5 (Unity) Scripting::UnityEngine::GUIUtilityProxy::ProcessEvent
 0x00007FF69E787AF4 (Unity) GUIView::ProcessRetainedMode
 0x00007FF69F1B4093 (Unity) GUIView::OnInputEvent
 0x00007FF69E7879EC (Unity) GUIView::ProcessInputEvent
 0x00007FF69F1B5AC5 (Unity) GUIView::ProcessEventMessages
 0x00007FF69F1AE876 (Unity) GUIView::GUIViewWndProc
 0x00007FF9F87E6D41 (USER32) CallWindowProcW
 0x00007FF9F87E6713 (USER32) DispatchMessageW
 0x00007FF69F1B2D94 (Unity) MainMessageLoop
 0x00007FF69F1BCF2A (Unity) WinMain
 0x00007FF6A2176102 (Unity) __scrt_common_main_seh
 0x00007FF9F9184034 (KERNEL32) BaseThreadInitThunk
 0x00007FF9FB3B3691 (ntdll) RtlUserThreadStart
 
 ========== END OF STACKTRACE ===========

Unity sometimes crashes without any reason.

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