[Bug] Task Execution Failure: Agent Prematurely Terminating

Bug Description
Failure to finish even small tasks - giving uip.

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 1.0.124
• Feedback ID: 3b2c4545-9a16-4c5a-b249-10a099d95ea9

Errors

[{"error":"Error: ❌ [stderr] 2025-09-25 16:19:20.630 xcodebuild[64622:4658253] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.\n---\n❌ [stderr] 2025-09-25 16:20:20.874 xcodebuild[64622:4658253] Writing error result bundle to /var/folders/3h/dn1dqr2514z2qxrgm512gg480000gn/T/ResultBundle_2025-25-09_16-20-0020.xcresult\n---\n❌ [stderr] xcodebuild: error: Unable to find a device matching the provided destination specifier:\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, OS:latest, name:iPhone 16 }\n---\n❌ [stderr] \tThe requested device could not be found because no available devices matched the request.\n---\n❌ [stderr] \tAvailable destinations for the \"TW Validiator\" scheme:\n---\n❌ [stderr] \t\t{ platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, id:dvtdevice-DVTiOSDeviceSimulatorPlaceholder-iphonesimulator:placeholder, name:Any iOS Simulator Device }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:47682512-369B-4551-B89A-99C2E7A74848, OS:26.0, name:iPad (A16) }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:647F2BF9-8349-4DF1-BC51-A730AF06751A, OS:26.0, name:iPad Air 11-inch (M3) }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:02F96B4D-C778-48D0-8CEF-8C11F58F51DD, OS:26.0, name:iPad Air 13-inch (M3) }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:B7C66F2B-6A45-4FFD-88DB-EABD200CDCAE, OS:26.0, name:iPad Pro 11-inch (M4) }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:B48089B4-E91C-4946-A379-D8BC40687E8C, OS:26.0, name:iPad Pro 13-inch (M4) }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:6F28B23D-55A8-4900-80D7-6E60B4194A2D, OS:26.0, name:iPad mini (A17 Pro) }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:31FC9B32-C443-4499-AE93-C3E44F972D07, OS:26.0, name:iPhone 16e }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:CE9E58FF-AB46-4EBF-8863-B18E9B5A7EE5, OS:26.0, name:iPhone 17 }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:0330E0C5-6780-45FA-831F-8C6483FCFD83, OS:26.0, name:iPhone 17 Pro }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:E96E68C6-3537-4974-8713-8D79A3CA2E3B, OS:26.0, name:iPhone 17 Pro Max }\n---\n❌ [stderr] \t\t{ platform:iOS Simulator, arch:arm64, id:1FDF86A5-289E-4C4F-AC17-9B49315EDEB6, OS:26.0, name:iPhone Air }\n---\n❌ [stderr] \tIneligible destinations for the \"TW Validiator\" scheme:\n---\n❌ [stderr] \t\t{ platform:macOS, arch:undefined_arch, variant:Designed for [iPad,iPhone], id:00006021-001268DC1A43C01E, name:My Mac, error:Xcode doesn’t support My Mac’s macOS 15.6.1 (24G90).  }\n---\n❌ [stderr] \t\t{ platform:iOS, arch:arm64e, id:00008130-001859CE3C13803A, name:iPhone 12 iron, error:iPhone 12 iron’s iOS 18.6.2 doesn’t match TW Validiator.app’s iOS 26.0 deployment target. Upgrade iPhone 12 iron’s iOS version or lower TW Validiator.app’s deployment target. }\n---\n❌ iOS Simulator Build build failed for scheme TW Validiator.\n    at al2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1904:18493)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Object.call (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1904:13280)\n    at async vf6 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3235:21804)\n    at async FVB (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3235:18050)\n    at async _f6 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3235:16913)\n    at async yf6 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3235:16450)\n    at async vO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3235:13450)\n    at async vO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3235:14378)\n    at async vO (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3235:14378)","timestamp":"2025-09-25T20:20:20.972Z"},{"error":"Error: ⚠️ Warning: /tmp/validator/TW Validiator/TW Validiator/Assets.xcassets:./AppIcon.appiconset/(null)[2d][AppIcon.png]: warning: The app icon set \"AppIcon\" has an unassigned child.\n---\n⚠️ Warning: /tmp/validator/TW Validiator/TW Validiator/Assets.xcassets:./AppIcon.appiconset/(null)[2d][AppIcon.png]: warning: The app icon set \"AppIcon\" has an unassigned child.\n---\n❌ Error: /tmp/validator/TW Validiator/TW Validiator/ContentView.swift:9:8: error:

Note: Error logs were truncated.