Description

Users custom 4.6 project crashes on load. If the DefaultEngine.ini file is deleted, then the project will start fine.

Steps to Reproduce

1. Download the users project from link in comment
2. Unzip the file
3. Open the .uproject file
4. The editor will crash

Callstack
MachineId:DE189244480D3CD0F8CA729A02DD38A6
EpicAccountId:75f47e038a8442f0af6c18e1f38eeb85

Unknown exception - code 00000001 (first/second chance not available)

Assertion failed: Field [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.6\Engine\Source\Runtime\Engine\Private\Collision\CollisionProfile.cpp] [Line: 363] 

KERNELBASE + 37901 bytes
UE4Editor_Core + 3092333 bytes
UE4Editor_Core + 1597672 bytes
UE4Editor_Core + 1479042 bytes
UE4Editor_Engine + 11681666 bytes
UE4Editor_Engine + 11629203 bytes
UE4Editor_Engine + 14155613 bytes
UE4Editor_Engine + 6250867 bytes
UE4Editor_CoreUObject + 394351 bytes
UE4Editor_CoreUObject + 394046 bytes
UE4Editor_CoreUObject + 394046 bytes
UE4Editor_CoreUObject + 394046 bytes
UE4Editor_CoreUObject + 1592305 bytes
UE4Editor_CoreUObject + 1478354 bytes
UE4Editor!FEngineLoop::PreInit() + 9130 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launchengineloop.cpp:1281]
UE4Editor!GuardedMain() + 236 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launch.cpp:110]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

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Cannot Reproduce
ComponentUE - Simulation - Physics
Affects Versions4.6
Target Fix4.6.1
CreatedNov 24, 2014
ResolvedDec 1, 2014
UpdatedJun 23, 2018