swift – iOS 16 and older iOS variations not working ,or app is crashed

What might be the explanations behind an app construct uploaded to TestFlight, created utilizing Xcode Model 15.0.1 (15A507), that works effective on iOS 17 and newer variations however displays points on iOS 16 and older iOS variations? How can I handle these compatibility challenges, and are there any recognized modifications or issues in Xcode 15.0.1 that will have an effect on assist for older iOS variations like iOS 16 and beneath?

model particulars –

[✓] Flutter (Channel steady, 3.13.2, on macOS 13.5 22G74 darwin-arm64, locale en-IN)
    • Flutter model 3.13.2 on channel steady at /Customers/nuoxmini/fahad/growth/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision ff5b5b5fa6 (3 months in the past), 2023-08-24 08:12:28 -0500
    • Engine revision b20183e040
    • Dart model 3.1.0
    • DevTools model 2.25.0

[!] Android toolchain - develop for Android units (Android SDK model 34.0.0)
    • Android SDK at /Customers/nuoxmini/Library/Android/sdk
    • Platform android-34, build-tools 34.0.0
    • Java binary at: /Functions/Android Studio.app/Contents/jbr/Contents/House/bin/java
    • Java model OpenJDK Runtime Surroundings (construct 11.0.15+0-b2043.56-8887301)
    ✗ Android license standing unknown.
      Run `flutter physician --android-licenses` to simply accept the SDK licenses.
      See https://flutter.dev/docs/get-started/set up/macos#android-setup for extra particulars.

[✓] Xcode - develop for iOS and macOS (Xcode 15.0.1)
    • Xcode at /Functions/Xcode.app/Contents/Developer
    • Construct 15A507
    • CocoaPods model 1.12.1

[✓] Chrome - develop for the online
    • Chrome at /Functions/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (model 2022.1)
    • Android Studio at /Functions/Android Studio.app/Contents
    • Flutter plugin could be put in from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin could be put in from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java model OpenJDK Runtime Surroundings (construct 11.0.15+0-b2043.56-8887301)

[✓] VS Code (model 1.84.1)
    • VS Code at /Functions/Visible Studio Code.app/Contents
    • Flutter extension model 3.76.0

[✓] Linked system (3 out there)
    • watch (cellular)  • 575012C0-351D-4996-9C81-20D08A19D87A • ios            • com.apple.CoreSimulator.SimRuntime.iOS-17-0 (simulator)
    • macOS (desktop) • macos                                • darwin-arm64   • macOS 13.5 22G74 darwin-arm64
    • Chrome (net)    • chrome                               • web-javascript • Google Chrome 119.0.6045.105

[✓] Community sources
    • All anticipated community sources can be found.

! Physician discovered points in 1 class.