Does this happen only to me?? Xcode 15.2 on other MacBooks works fine. Only version 15.3 is like this. ------------------------------------- Translated Report (Full Report Below) ------------------------------------- Process: Xcode [20038] Path: /Applications/Xcode.app/Contents/MacOS/Xcode Identifier: com.apple.dt.Xcode Version: 15.3 (22618) Build Info: IDEApplication-22618000000000000~2 (15E204a) App Item ID: 497799835 App External ID: 863955376 Code Type: ARM-64 (Native) Parent Process: launchd [1] User ID: 501 Date/Time: 2024-03-07 15:41:26.7116 +0900 OS Version: macOS 14.0 (23A344) Report Version: 12 Anonymous UUID: 6E68061A-629A-0EC8-0A70-CE4EAA73C1C7 Time Awake Since Boot: 11000 seconds System Integrity Protection: enabled Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Termination Reason: Namespace SIGNAL, Code 6 Abort trap: 6 Terminating Process: Xcode [20038] Application Specific Information: abort() called Application Specific Signatures: success Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_kernel.dylib 0x190dd711c __pthread_kill + 8 1 libsystem_pthread.dylib 0x190e0ecc0 pthread_kill + 288 2 libsystem_c.dylib 0x190d1ea50 abort + 180 3 IDEKit 0x1099b7b64 +[IDEAssertionHandler _handleAssertionWithLogString:assertionSignature:assertionReason:extraBacktrace:] + 972 4 IDEKit 0x1099b7fa4 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] + 872 5 DVTFoundation 0x104baa73c _DVTAssertionHandler + 424 6 DVTFoundation 0x104baa8bc _DVTAssertionFailureHandler + 196 7 DVTFoundation 0x104a70410 +[DVTFilePath _filePathForParent:pathString:] + 512 8 DVTFoundation 0x104a70a9c -[DVTFilePath filePathForRelativePathString:] + 48 9 AssetCatalogFoundation 0x1251ed080 IBPopulatePathsForWorkingAround11472482 + 296 10 AssetCatalogFoundation 0x1251ed094 IBPopulatePathsForWorkingAround11472482 + 316 11 AssetCatalogFoundation 0x1251ed094 IBPopulatePathsForWorkingAround11472482 + 316 12 AssetCatalogFoundation 0x1251ec824 -[IBICCatalogSynchronizer replaceCatalogWithContentsOfPathWhileItIsKnowThatSyncOperationsAreNotInflightAndAreDisabled:] + 284 13 AssetCatalogFoundation 0x1251ec594 -[IBICCatalogSynchronizer replaceCatalogWithContentsOfPath:] + 104 14 AssetCatalogFoundation 0x1251ea230 +[IBICCatalogSynchronizer synchronizerTakingOwnershipForCatalog:atPath:] + 92 15 AssetCatalogFoundation 0x1251ea298 +[IBICCatalogSynchronizer synchronizerForCatalogAtPath:] + 68 16 AssetCatalogKit 0x12c76bfb0 __69+[IBICCatalogMediaRepository retainedCatalogSynchronizerForFilePath:]_block_invoke + 52 17 AssetCatalogFoundation 0x125235af8 -[NSMutableDictionary(IBMutableDictionaryAdditions) ib_objectForKey:creatingIfNecessaryWithBlock:] + 100 18 AssetCatalogKit 0x12c76bf0c +[IBICCatalogMediaRepository retainedCatalogSynchronizerForFilePath:] + 136 19 AssetCatalogKit 0x12c76db00 -[IBICCatalogMediaRepository _addSynchronizerForCatalogAtPath:] + 48 20 AssetCatalogKit 0x12c76d5c8 __104-[IBICCatalogMediaRepository fileReferenceObserverDidReportUpdatedAndAddedResourcesByPath:removedPaths:]_block_invoke + 544 21 AssetCatalogKit 0x12c76d174 -[IBICCatalogMediaRepository notifyObserversAfterPossiblyMutatingWithBlock:] + 88 22 AssetCatalogKit 0x12c76d374 -[IBICCatalogMediaRepository fileReferenceObserverDidReportUpdatedAndAddedResourcesByPath:removedPaths:] + 132 23 IDEKit 0x109ad270c __54-[IDEContainerContentsMediaRepository _startObserving]_block_invoke + 596 24 IDEFoundation 0x10b25f34c -[IDEContainerContentProductionCoordinator deliverPendingResults:] + 172 25 DVTFoundation 0x1049f4858 __48-[DVTDelayedInvocation initWithTarget:selector:]_block_invoke + 24 26 DVTFoundation 0x1049f5884 -[DVTDelayedInvocation runBlock:] + 164 27 Foundation 0x1920a37bc __NSFirePerformWithOrder + 296 28 CoreFoundation 0x190eeb0cc __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 36 29 CoreFoundation 0x190eeafb8 __CFRunLoopDoObservers + 532 30 CoreFoundation 0x190eea5e8 __CFRunLoopRun + 776 31 CoreFoundation 0x190ee9c2c CFRunLoopRunSpecific + 608 32 HIToolbox 0x19b442448 RunCurrentEventLoopInMode + 292 33 HIToolbox 0x19b442284 ReceiveNextEventCommon + 648 34 HIToolbox 0x19b441fdc _BlockUntilNextEventMatchingListInModeWithFilter + 76 35 AppKit 0x1946c4f90 _DPSNextEvent + 660 36 AppKit 0x194e98b94 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 716 37 DVTKit 0x1065a3858 -[DVTApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 300 38 AppKit 0x1946b843c -[NSApplication run] + 476 39 DVTKit 0x1065a2b24 -[DVTApplication run] + 60 40 AppKit 0x19468f708 NSApplicationMain + 880 41 dyld 0x190a95058 start + 2224 Thread 1: 0 libsystem_pthread.dylib 0x190e09e28 start_wqthread + 0