ue4 import crash. Assertion failed

[ishlilith]

I get an assertion Failed when I'm trying to import from Unity 2018.4.15f1 lts to ue 4.24.3
this s the output:

`
Assertion failed: baseMaterial [File:C:/Unreal Projects/exporter/Plugins/ExodusImport/Source/ExodusImport/Private/MaterialBuilder/MaterialBuilder.cpp] [Line: 149]

UE4Editor_Core
UE4Editor_Core
UE4Editor_ExodusImport!MaterialBuilder::createMaterialInstance() [c:\unreal projects\exporter\plugins\exodusimport\source\exodusimport\private\materialbuilder\materialbuilder.cpp:149]
UE4Editor_ExodusImport!MaterialBuilder::importMaterialInstance() [c:\unreal projects\exporter\plugins\exodusimport\source\exodusimport\private\materialbuilder\materialbuilder.cpp:201]
UE4Editor_ExodusImport!JsonImporter::loadMaterials() [c:\unreal projects\exporter\plugins\exodusimport\source\exodusimport\private\jsonimporter.cpp:115]
UE4Editor_ExodusImport!JsonImporter::importProject() [c:\unreal projects\exporter\plugins\exodusimport\source\exodusimport\private\jsonimporter\scene.cpp:150]
UE4Editor_ExodusImport!FJsonImportModule::PluginImportButtonClicked() [c:\unreal projects\exporter\plugins\exodusimport\source\exodusimport\private\jsonimport.cpp:145]
UE4Editor_ExodusImport!TBaseRawMethodDelegateInstance<0,FJsonImportModule,void __cdecl(void)>::ExecuteIfSafe() [c:\epic games\ue_4.24\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:541]
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_Slate
UE4Editor_ApplicationCore
UE4Editor_ApplicationCore
UE4Editor_ApplicationCore
UE4Editor_ApplicationCore
user32
user32
UE4Editor_ApplicationCore
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll`

[SADracon]

I have the same issues. with unreal 4.22 and 4.23 and 4.24