ProductBuildVersion: 12E262
ASSERTION FAILURE in /Library/Caches/com.apple.xbs/Sources/IDEXcode3ProjectSupport/IDEXcode3ProjectSupport-18132/Xcode3Core/LegacyProjects/Frameworks/DevToolsCore/DevToolsCore/Foundation/Specifications/XCSpecification.m:723
Details: Failed to register spec from /Applications/Xcode.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin: {
SourceDescription = "/Applications/Xcode.app/Contents/PlugIns/IDEiOSSupportCore.ideplugin";
}: Error Domain=XCSpecificationErrorDomain Code=0 "couldn't register specification: malformed property list dictionary (required key 'Identifier' not present)" UserInfo={NSLocalizedDescription=couldn't register specification: malformed property list dictionary (required key 'Identifier' not present)}
Object:
Method: +registerSpecificationsFromDVTPlugInsForDomains:skippingDomains:
Thread: <NSThread: 0x7fd46401bd40>{number = 1, name = main}
Open FDs: 7/256
Hints:

Backtrace:
0 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit)
1 _DVTAssertionHandler (in DVTFoundation)
2 _DVTAssertionFailureHandler (in DVTFoundation)
3 +[XCSpecification registerSpecificationsFromDVTPlugInsForDomains:skippingDomains:] (in DevToolsCore)
4 XCInitializeCoreIfNeeded (in DevToolsCore)
5 +[Xcode3CoreInitializer ide_initializeWithOptions:error:] (in Xcode3Core)
6 _IDEInitializeBuildSystem (in IDEFoundation)
7 IDEInitialize (in IDEFoundation)
8 -[IDEApplicationController applicationWillFinishLaunching:] (in IDEKit)
9 CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER (in CoreFoundation)
10 ___CFXRegistrationPost_block_invoke (in CoreFoundation)
11 _CFXRegistrationPost (in CoreFoundation)
12 _CFXNotificationPost (in CoreFoundation)
13 -[NSNotificationCenter postNotificationName:object:userInfo:] (in Foundation)
14 -[NSNotificationCenter(DVTNSNotificationCenterAdditions_MRR) _dvt_postNotificationName:object:userInfo:] (in DVTFoundation)
15 -[NSApplication finishLaunching] (in AppKit)
16 -[DVTApplication finishLaunching] (in DVTKit)
17 -[NSApplication run] (in AppKit)
18 NSApplicationMain (in AppKit)
19 start (in libdyld.dylib)

abort() called