Unreal Engine Issues and Bug Tracker (UE-91865)

Description

The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash.

This was tested and reported in 4.24.3 (CL-11590370). this was reproduced in 4.25 Preview 4 (CL-12366721), and Main 4.26 (CL-12689888)

Steps to Reproduce

Open the UE4 Editor and create a Blank Project with Datasmith enabled
Enable Cinema 4D importer if it isn't already
Extract the attached file and import it into the Editor

Results: The Editor crashes

Expected: The Editor doesn't crash and import is successful

Callstack

[2020.04.10-19.17.18:516][930]LogWindows: Error: === Critical error: ===
[2020.04.10-19.17.18:516][930]LogWindows: Error: 
[2020.04.10-19.17.18:516][930]LogWindows: Error: Fatal error!
[2020.04.10-19.17.18:516][930]LogWindows: Error: 
[2020.04.10-19.17.18:516][930]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xd36ac076
[2020.04.10-19.17.18:516][930]LogWindows: Error: 
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc1b5da50 UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc1b6003b UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc1b61689 UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc175d591 UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc17df7a8 UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbb6519f6c UE4Editor-MeshDescriptionOperations.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbb65069c9 UE4Editor-MeshDescriptionOperations.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbbf9057ba UE4Editor-Engine.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbbef7058b UE4Editor-Engine.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbbf91b3ef UE4Editor-Engine.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffba27683cc UE4Editor-DatasmithImporter.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffba26651b7 UE4Editor-DatasmithImporter.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffba2699226 UE4Editor-DatasmithImporter.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc17ec375 UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc1b532ef UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffbc1b52f94 UE4Editor-Core.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffc48c97bd4 KERNEL32.DLL!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: [Callstack] 0x00007ffc496cced1 ntdll.dll!UnknownFunction []
[2020.04.10-19.17.18:516][930]LogWindows: Error: 
[2020.04.10-19.17.18:516][930]LogWindows: Error: Crash in runnable thread PoolThread 35

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Fixed

Component	UE - Editor - Content Pipeline - Datasmith - Importer
Affects Versions	4.24.3, 4.25, 4.26
Target Fix	4.25

Fix Commit	12859138
Main Commit	14151001
Release Commit	12859138

Created	Apr 10, 2020
Resolved	Apr 16, 2020
Updated	Oct 6, 2020

UE-91865

Crash while trying to import a C4D file with Animation via Datasmith

Crash while trying to import a C4D file with Animation via Datasmith

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