5.0.2 Package Crash when loading

Running 5.0.2 for a VR film (steam) I produced.
There is only one master sequence (contains a lot of things) a spectator camera and a VR pawn. It packages fine but crashes when loading. Showing in a gallery in tomorrow! Would really appricaite some help!
Screenshot 2022-06-26 080527

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Here is the log of he crash:

Fatal error: [File:D:\build++UE5\Sync\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp] [Line: 934]
Rendering thread exception:
Assertion failed: !TrackedAllocationData.Contains(InAllocation) [File:D:\build++UE5\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Adapter.cpp] [Line: 1515]

0x00007ff61df9df11 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61e03e9c0 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61e013510 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61dfbe696 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61df718d9 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61e0372c3 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61e00d504 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61dff5a94 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61e02fe65 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61b553b6c PG_2022_June_01.exe!UnknownFunction []
0x00007ff61b542c9e PG_2022_June_01.exe!UnknownFunction []
0x00007ff61ec0fc8b PG_2022_June_01.exe!UnknownFunction []
0x00007ff61ebff6da PG_2022_June_01.exe!UnknownFunction []
0x00007ff61ebff9fd PG_2022_June_01.exe!UnknownFunction []
0x00007ff61e1926ce PG_2022_June_01.exe!UnknownFunction []
0x00007ff61ebc62f7 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61eb9dd3f PG_2022_June_01.exe!UnknownFunction []
0x00007ff61ebb7ebd PG_2022_June_01.exe!UnknownFunction []
0x00007ff61c8b17f4 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61c8b1c8e PG_2022_June_01.exe!UnknownFunction []
0x00007ff61c8b2031 PG_2022_June_01.exe!UnknownFunction []
0x00007ff6206b221f PG_2022_June_01.exe!UnknownFunction []
0x00007ff6206b4e31 PG_2022_June_01.exe!UnknownFunction []
0x00007ff61cef759b PG_2022_June_01.exe!UnknownFunction []
0x00007ff61cef0210 PG_2022_June_01.exe!UnknownFunction []
0x00007ffd769354e0 KERNEL32.DLL!UnknownFunction []
0x00007ffd7806485b ntdll.dll!UnknownFunction []

Solved!
I just solved this issue by changing from DX12 to DX11 before packaging. Works perfectly now

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I met the same problem and solved it in your way. Thank you!
But in Dxdiag the DirectX version is 12. So why is this a problem?