Open Radar

 
Summary:
Xcode crashed when trying to create sceneKit particle effect type "confetti", all files are created. But when I switch tab to "Attibute Inspector" it carshed. It's happening on Xcode Beta 4 as well as Beta 3

Steps to Reproduce:
1) create new project
2) Game -> Scenekit
3) Add new particle effect with type "confetti"
4) open it and try switch to "Attribute Inspector"

Expected Results:
editor is opening, i can edit particle effect

Observed Results:
it's crashing. See additional notes

Version:
OS Version:            Mac OS X 10.12.6 (16G29)
Xcode Version 9.0 beta 4 (9M189t)

Notes:
Application Specific Information:
ProductBuildVersion: 9M189t
UNCAUGHT EXCEPTION (NSUnknownKeyException): [<SCNParticleSystem 0x7f843fabb200> valueForUndefinedKey:]: this class is not key value coding-compliant for the key orientationDirection_edit.
UserInfo: {
    NSTargetObjectUserInfoKey = "<SCNParticleSystem: 0x7f843fabb200>";
    NSUnknownUserInfoKey = "orientationDirection_edit";
}
Hints: 
 
Backtrace:
  0   __exceptionPreprocess (in CoreFoundation)
  1   DVTFailureHintExceptionPreprocessor (in DVTFoundation)
  2   objc_exception_throw (in libobjc.A.dylib)
  3   -[NSException raise] (in CoreFoundation)
  4   -[NSObject(NSKeyValueCoding) valueForUndefinedKey:] (in Foundation)
  5   -[NSObject(NSKeyValueCoding) valueForKey:] (in Foundation)
  6   -[NSObject(NSKeyValueCoding) valueForKeyPath:] (in Foundation)
  7   __IDEInspectorSingleValueForKeyPath_block_invoke_2 (in IDEKit)