Game crashes when i try to add something

Development Programming & Scripting
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1

I get this error

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION writing address 0x0000000000000024

ntdll
ntdll
ntdll
dxgi
GTIII_OSD64
GTIII_OSD64
GTIII_OSD64
GTIII_OSD64
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_SlateRHIRenderer
UnrealEditor_SlateCore
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_Slate
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_Slate
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_SlateCore
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll