The getter 'title' isn't defined for the class 'BottomNavigationBarItem'.

[pacifire]

Error: The getter 'title' isn't defined for the class 'BottomNavigationBarItem'.
../…/lib/gradient_bottom_navigation_bar.dart:136
- 'BottomNavigationBarItem' is from 'package:flutter/src/widgets/bottom_navigation_bar_item.dart' ('../../../Documents/flutter/packages/flutter/lib/src/widgets/bottom_navigation_bar_item.dart').
package:flutter/…/widgets/bottom_navigation_bar_item.dart:1
Try correcting the name to the name of an existing getter, or defining a getter or field named 'title'.
            items.every((BottomNavigationBarItem item) => item.title != null) ==

: Error: The getter 'title' isn't defined for the class 'BottomNavigationBarItem'.
../…/lib/gradient_bottom_navigation_bar.dart:274
- 'BottomNavigationBarItem' is from 'package:flutter/src/widgets/bottom_navigation_bar_item.dart' ('../../../Documents/flutter/packages/flutter/lib/src/widgets/bottom_navigation_bar_item.dart').
package:flutter/…/widgets/bottom_navigation_bar_item.dart:1
Try correcting the name to the name of an existing getter, or defining a getter or field named 'title'.

            child: item.title,
                        ^^^^^

: Error: The getter 'title' isn't defined for the class 'BottomNavigationBarItem'.
../…/lib/gradient_bottom_navigation_bar.dart:304
- 'BottomNavigationBarItem' is from 'package:flutter/src/widgets/bottom_navigation_bar_item.dart' ('../../../Documents/flutter/packages/flutter/lib/src/widgets/bottom_navigation_bar_item.dart').
package:flutter/…/widgets/bottom_navigation_bar_item.dart:1
Try correcting the name to the name of an existing getter, or defining a getter or field named 'title'.
            child: item.title,
                        ^^^^^

Flutter Doctor Logs:

flutter doctor -v
[✓] Flutter (Channel master, 2.6.0-12.0.pre.847, on macOS 11.6 20G165 darwin-x64, locale en-IN)
    • Flutter version 2.6.0-12.0.pre.847 at /Users/apple/Documents/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 8b1cf766e7 (10 days ago), 2021-11-28 10:47:02 -0500
    • Engine revision 4536092a7f
    • Dart version 2.16.0 (build 2.16.0-55.0.dev)
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[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
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      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.
    ✗ Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/macos#android-setup for more details.

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[✓] Connected device (2 available)
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! Doctor found issues in 1 category.