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How to reproduce:
1. Open the attached “IN-153264” project
2. Go to Project window → Assets → UI
3. Click on “Settings.uxml”
4. On the “Fatal Error !” pop-up, click “Quit”
5. Observe the crash
Reproducible with: 6000.6.0a1, 6000.6.0a4(77e2e2eea1be)
Not reproducible with: 6000.0.0f1, 6000.0.84f1, 6000.3.26f1, 6000.5.0a7, 6000.6.4f1, 6000.7.0b4, 7000.0.0a7
Fixed in: 6000.6.0a5
Reproducible on: Windows 11
Not reproducible on: No other environments tested
Note: There are two “Settings” file in Project window → Assets → UI, make sure to click “Settings.uxml”
First few lines of the stack trace with Direct3D12:
0x00007FFC37855FB0 (Unity) CheckDeviceStatus
0x00007FFC3783F0E4 (Unity) GfxDeviceD3D12::ReportResourceCreationError
0x00007FFC3782F84C (Unity) GfxDeviceD3D12::CreateCommittedResourceWithTag
0x00007FFC377F7E59 (Unity) D3D12ScratchBuffer::D3D12ScratchBuffer
0x00007FFC377FAEE3 (Unity) D3D12ScratchAllocator::AllocateScratchOverflow
First few lines of the stack trace with Vulkan:
0x00007FFC272E84EE (Unity) MemoryManager::OutOfMemoryError
0x00007FFC272E1734 (Unity) MemoryManager::Allocate
2026-10-07T09:27:20.228Z|0x7cc4|0x00007FFC272EDF0E (Unity) malloc_internal
2026-10-07T09:27:20.233Z|0x7cc4|0x00007FFC23E3F63C (Unity) core::vector<signed char,core::allocator<signed char,0> >::reserve_impl
2026-10-07T09:27:20.237Z|0x7cc4|0x00007FFC27001457 (Unity) SharedTextureData::SharedTextureData
2026-10-07T09:27:20.240Z|0x7cc4|0x00007FFC26FDB3DD (Unity) Texture2D::InitTexture
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