Unreal Engine 5.1 importing mesh with blend shape

[Andrej730]

The crash occured importing .glb file below (remove .txt to test it). gltf_blendshapes.glb.txt

Import settings are default:

Crash log:

LoginId:12153b0c4388dfc248f2899c93ff810a
EpicAccountId:54c2e8bd129d4bd8ab21cdac6214aa4a

Assertion failed: BaseLOD < LODIndex [File:D:\build\++UE5\Sync\Engine\Plugins\Experimental\SkeletalReduction\Source\Private\SkeletalMeshReductionPlugin.cpp] [Line: 2086]

UnrealEditor_SkeletalMeshReduction
UnrealEditor_SkeletalMeshReduction
UnrealEditor_SkeletalMeshUtilitiesCommon
UnrealEditor_SkeletalMeshUtilitiesCommon
UnrealEditor_MeshBuilder
UnrealEditor_MeshBuilder
UnrealEditor_glTFForUE4Ed!FglTFImporterEdSkeletalMesh::CreateSkeletalMesh() [D:\develop\gitlab-runner\builds\BbjikBeK\0\c4g\gltf\UE4PluginBuilder\glTFForUE4\HostProject\Plugins\glTFForUE4\Source\glTFForUE4Ed\Private\glTF\glTFImporterEdSkeletalMesh.cpp:831]
UnrealEditor_glTFForUE4Ed!FglTFImporterEd::CreateNode() [D:\develop\gitlab-runner\builds\BbjikBeK\0\c4g\gltf\UE4PluginBuilder\glTFForUE4\HostProject\Plugins\glTFForUE4\Source\glTFForUE4Ed\Private\glTF\glTFImporterEd.cpp:204]
UnrealEditor_glTFForUE4Ed!FglTFImporterEd::CreateNodes() [D:\develop\gitlab-runner\builds\BbjikBeK\0\c4g\gltf\UE4PluginBuilder\glTFForUE4\HostProject\Plugins\glTFForUE4\Source\glTFForUE4Ed\Private\glTF\glTFImporterEd.cpp:154]
UnrealEditor_glTFForUE4Ed!FglTFImporterEd::Create() [D:\develop\gitlab-runner\builds\BbjikBeK\0\c4g\gltf\UE4PluginBuilder\glTFForUE4\HostProject\Plugins\glTFForUE4\Source\glTFForUE4Ed\Private\glTF\glTFImporterEd.cpp:137]
UnrealEditor_glTFForUE4Ed!UglTFFactory::FactoryCreate() [D:\develop\gitlab-runner\builds\BbjikBeK\0\c4g\gltf\UE4PluginBuilder\glTFForUE4\HostProject\Plugins\glTFForUE4\Source\glTFForUE4Ed\Private\glTF\glTFFactory.cpp:125]
UnrealEditor_glTFForUE4Ed!UglTFBinaryFactory::FactoryCreateBinary() [D:\develop\gitlab-runner\builds\BbjikBeK\0\c4g\gltf\UE4PluginBuilder\glTFForUE4\HostProject\Plugins\glTFForUE4\Source\glTFForUE4Ed\Private\glTF\glTFBinaryFactory.cpp:122]
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_AssetTools
UnrealEditor_AssetTools
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll