Unable to Install “The BestSeller List” Building a new app when all of a sudden when I try to run on ANY of my devices, I get the following message: Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.HXa0sV/extracted/Best Seller List.app : 0xe8008015 (A valid provisioning profile for this executable was not found.) I have tried all of the suggestions I have found online: clean build folder, delete derived data, rebooting, etc. Nothing works. This happens on ALL of my test devices: iPhone 16 Pro, iPhone 14 Pro, iPhone XS, iPad Pro 6th gen. Here is the complete message dump: Unable to Install “The BestSeller List” Domain: IXUserPresentableErrorDomain Code: 14 Recovery Suggestion: Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.HXa0sV/extracted/Best Seller List.app : 0xe8008015 (A valid provisioning profile for this executable was not found.) Please ensure sure that your app is signed by a valid provisioning profile. If this issue persists, please attach the following when sending a report to Apple: A sysdiagnose from this Mac A sysdiagnose from the device failing installation An IPA of the app failing installation User Info: { DVTErrorCreationDateKey = "2025-07-10 01:20:54 +0000"; IDERunOperationFailingWorker = IDEInstallCoreDeviceWorker; } Failed to install the app on the device. Domain: com.apple.dt.CoreDeviceError Code: 3002 User Info: { NSURL = "file:///Users/feldy/Library/Developer/Xcode/DerivedData/Best_Seller_List-aziaphmgvhweszapcqlicacwcuow/Build/Products/Debug-iphoneos/Best%20Seller%20List.app"; } Unable to Install “The BestSeller List” Domain: IXUserPresentableErrorDomain Code: 14 Failure Reason: This app cannot be installed because its integrity could not be verified. Recovery Suggestion: Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.HXa0sV/extracted/Best Seller List.app : 0xe8008015 (A valid provisioning profile for this executable was not found.) Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.HXa0sV/extracted/Best Seller List.app : 0xe8008015 (A valid provisioning profile for this executable was not found.) Domain: MIInstallerErrorDomain Code: 13 User Info: { FunctionName = "+[MICodeSigningVerifier _validateSignatureAndCopyInfoForURL:withOptions:error:]"; LegacyErrorString = ApplicationVerificationFailed; LibMISErrorNumber = "-402620395"; SourceFileLine = 80; } Event Metadata: com.apple.dt.IDERunOperationWorkerFinished : { "device_identifier" = "00008140-001C6C461AFB001C"; "device_isCoreDevice" = 1; "device_model" = "iPhone17,1"; "device_osBuild" = "18.5 (22F76)"; "device_platform" = "com.apple.platform.iphoneos"; "device_thinningType" = "iPhone17,1"; "dvt_coredevice_version" = "477.25"; "dvt_coresimulator_version" = 1043; "dvt_mobiledevice_version" = "1818.0.1"; "launchSession_schemeCommand" = Run; "launchSession_state" = 1; "launchSession_targetArch" = arm64; "operation_duration_ms" = 18446; "operation_errorCode" = 14; "operation_errorDomain" = IXUserPresentableErrorDomain; "operation_errorWorker" = IDEInstallCoreDeviceWorker; "operation_name" = IDERunOperationWorkerGroup; "param_debugger_attachToExtensions" = 0; "param_debugger_attachToXPC" = 1; "param_debugger_type" = 3; "param_destination_isProxy" = 0; "param_destination_platform" = "com.apple.platform.iphoneos"; "param_diag_113575882_enable" = 0; "param_diag_MainThreadChecker_stopOnIssue" = 0; "param_diag_MallocStackLogging_enableDuringAttach" = 0; "param_diag_MallocStackLogging_enableForXPC" = 1; "param_diag_allowLocationSimulation" = 1; "param_diag_checker_tpc_enable" = 1; "param_diag_gpu_frameCapture_enable" = 0; "param_diag_gpu_shaderValidation_enable" = 0; "param_diag_gpu_validation_enable" = 0; "param_diag_guardMalloc_enable" = 0; "param_diag_memoryGraphOnResourceException" = 0; "param_diag_mtc_enable" = 1; "param_diag_queueDebugging_enable" = 1; "param_diag_runtimeProfile_generate" = 0; "param_diag_sanitizer_asan_enable" = 0; "param_diag_sanitizer_tsan_enable" = 0; "param_diag_sanitizer_tsan_stopOnIssue" = 0; "param_diag_sanitizer_ubsan_enable" = 0; "param_diag_sanitizer_ubsan_stopOnIssue" = 0; "param_diag_showNonLocalizedStrings" = 0; "param_diag_viewDebugging_enabled" = 1; "param_diag_viewDebugging_insertDylibOnLaunch" = 1; "param_install_style" = 2; "param_launcher_UID" = 2; "param_launcher_allowDeviceSensorReplayData" = 0; "param_launcher_kind" = 0; "param_launcher_style" = 99; "param_launcher_substyle" = 0; "param_runnable_appExtensionHostRunMode" = 0; "param_runnable_productType" = "com.apple.product-type.application"; "param_structuredConsoleMode" = 1; "param_testing_launchedForTesting" = 0; "param_testing_suppressSimulatorApp" = 0; "param_testing_usingCLI" = 0; "sdk_canonicalName" = "iphoneos18.5"; "sdk_osVersion" = "18.5"; "sdk_variant" = iphoneos; } System Information macOS Version 15.5 (Build 24F74) Xcode 16.4 (23792) (Build 16F6) Timestamp: 2025-07-09T18:20:54-07:00

Using Xcode 15 Beta 5 the following error now appears when building an app with @Observable External macro implementation type 'ObservationMacros.ObservableMacro' could not be found for macro 'Observable()'; the type must be public and provided by a macro target in a Swift package, or via '-plugin-path' or '-load-plugin-library' See the attached image. This does not happen on other team member’s computer. He can compile app just fine and I can compile app file on Xcode 15 beta 4 and below. This just started happening with Beta 5 installation. I have deleted all derived data, deleted the Derived data folder for the project, restarted Xcode, restarted machine, reinstalled Xcode 15 beta 5. Nothing helps.