Editor crashes when attempting to press tab while editing transform values in structs

Editor crashes if a user presses tab while editing transform values in a blueprint struct.

Note: This only occurs while editing transform variables, no other var causes this crash. Logs and Dump file attached.

Frequency: 3/3

Crash Reporter: [Link Removed]

Callstack:
MachineId:4E82586D46B558EA69EF0EAA821297B1
EpicAccountId:1558531203f84e81b70959b8a59badef

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

Assertion failed: PropertyChangedEvent.MemberProperty && PropertyChangedEvent.MemberProperty->GetOwnerStruct() && (PropertyChangedEvent.MemberProperty->GetOwnerStruct() == GetUserDefinedStruct()) && PropertyChangedEvent.MemberProperty->GetOwnerSt

KERNELBASE + 37901 bytes
UE4Editor_Core + 3092349 bytes
UE4Editor_Core + 1597688 bytes
UE4Editor_Core + 1479058 bytes
UE4Editor_Kismet + 4220676 bytes
UE4Editor_Kismet + 4078988 bytes
UE4Editor_Kismet + 4084748 bytes
UE4Editor_PropertyEditor + 1281156 bytes
UE4Editor_DetailCustomizations + 2781670 bytes
UE4Editor_DetailCustomizations + 2033498 bytes
UE4Editor_DetailCustomizations + 2724829 bytes
UE4Editor_DetailCustomizations + 2743943 bytes
UE4Editor_DetailCustomizations + 1690520 bytes
UE4Editor_DetailCustomizations + 1143863 bytes
UE4Editor_DetailCustomizations + 1164519 bytes
UE4Editor_Slate + 2272247 bytes
UE4Editor_Slate + 920058 bytes
UE4Editor_Slate + 918244 bytes
UE4Editor_Slate + 501600 bytes
UE4Editor_Slate + 841375 bytes
UE4Editor_Slate + 155542 bytes
UE4Editor_Slate + 161930 bytes
UE4Editor_Slate + 827913 bytes
UE4Editor_Slate + 766152 bytes
UE4Editor_Core + 2483908 bytes
UE4Editor_Core + 2400763 bytes
UE4Editor_Core + 2489275 bytes
UE4Editor_Core + 2387186 bytes
user32 + 105425 bytes
user32 + 104666 bytes
UE4Editor_Core + 2490486 bytes
UE4Editor!FEngineLoop::Tick() + 3434 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launchengineloop.cpp:2193]
UE4Editor!GuardedMain() + 479 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launch.cpp:131]
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]

1. Open Editor (any project)
2. In Content Browser>RMB>Blueprints>Structure
3. Open Structure
4. Change Boolean to Transform
5. Open Default Values, LMB in Location X value
6. Press Tab

[BUG 4.6.1] Pressing tab in struct defaults causes crash