Engine crash when moving camera in viewport

My engine keeps crashign when moving with the camera in the viewport and I don’t really understand what the issue is - any help would be greatly appreciated I am gettign a bit desperate as I am already loosing deadlines and the engine keeps crashing every 5 minutes because of it making it unusable:
LoginId:3b393d174603afd0722090b9b0ecb2ee
EpicAccountId:1eb8528b4a97465db4dc824e4022bb9f

Assertion failed: FVector::Distance(InitOptions.ViewRotationMatrix.GetScaleVector(), FVector::OneVector) < (1.e-4f) [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/Engine/Private/SceneView.cpp] [Line: 471]

UE4Editor_Core!AssertFailedImplV() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:100]
UE4Editor_Core!FDebug::CheckVerifyFailedImpl() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:450]
UE4Editor_Engine!FViewMatrices::FViewMatrices() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\SceneView.cpp:471]
UE4Editor_Engine!FSceneView::FSceneView() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\SceneView.cpp:627]
UE4Editor_UnrealEd!FEditorViewportClient::CalcSceneView() [D:\Build++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorViewportClient.cpp:1106]
UE4Editor_UnrealEd!FLevelEditorViewportClient::CalcSceneView() [D:\Build++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\LevelEditorViewport.cpp:1895]
UE4Editor_UnrealEd!FEditorViewportClient::Draw() [D:\Build++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorViewportClient.cpp:3795]
UE4Editor_Engine!FViewport::Draw() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\UnrealClient.cpp:1543]
UE4Editor_UnrealEd!UEditorEngine::UpdateSingleViewportClient() [D:\Build++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorEngine.cpp:2130]
UE4Editor_UnrealEd!UEditorEngine::Tick() [D:\Build++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorEngine.cpp:1826]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [D:\Build++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdEngine.cpp:414]
UE4Editor!FEngineLoop::Tick() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:4850]
UE4Editor!GuardedMain() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:169]
UE4Editor!GuardedMainWrapper() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:137]
UE4Editor!WinMain() [D:\Build++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:268]
UE4Editor!__scrt_common_main_seh() [d:\agent_work\5\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll