Have been going through the identical problem the entire weekend. Flutter app was constructing nice on iOS and android, out of the blue unable to construct. No modifications had been made to the code.
M1 Mac, XCode and Mac OS all updated. Appears this has been raised in just a few different areas too with none resolutions.
https://developer.apple.com/boards/thread/706472
xcodebuild error: “requested however did not discover extension level with identifier …”
Does Xcode 13.4 and Flutter 3.0 work nice?
XCode13.4 run flutter challenge didn’t construct iOS app
https://developer.apple.com/boards/thread/706425
Beneath the output from making an attempt to construct on iOS gadget and iOS sim.
Error output from Xcode construct:
↳
2022-06-26 20:37:12.250 xcodebuild[85452:374328] Requested however didn't discover extension
level
with identifier Xcode.IDEKit.ExtensionSentinelHostApplications for extension
Xcode.DebuggerFoundation.AppExtensionHosts.watchOS of plug-in
com.apple.dt.IDEWatchSupportCore
2022-06-26 20:37:12.251 xcodebuild[85452:374328] Requested however didn't discover extension
level
with identifier Xcode.IDEKit.ExtensionPointIdentifierToBundleIdentifier for extension
Xcode.DebuggerFoundation.AppExtensionToBundleIdentifierMap.watchOS of plug-in
com.apple.dt.IDEWatchSupportCore
** BUILD FAILED **
Flutter physician all clear
Physician abstract (to see all particulars, run flutter physician -v):
[✓] Flutter (Channel steady, 3.0.3, on macOS 12.4 21F79 darwin-arm, locale en-GB)
[✓] Android toolchain - develop for Android gadgets (Android SDK model 33.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 13.4.1)
[✓] Chrome - develop for the net
[✓] Android Studio (model 2021.2)
[✓] VS Code (model 1.68.1)
[✓] Linked gadget (5 accessible)
[✓] HTTP Host Availability
• No points discovered!
Have tried reinstalling xcode and command line instruments.
Weridly all of my different apps appear to be functioning and I will construct with none points.
