Flutter plugin configuration issue

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I am working on a flutter project which uses local database. For local database I am using sqflite plugin https://pub.dartlang.org/packages/sqflite. My application is working fine without installing sqflite. However, as soon as I install sqflite. It stops running for ios. I am receiving below errors.


import
1 error generated.
=== BUILD TARGET Runner OF PROJECT Runner WITH CONFIGURATION Debug ===
In file included from /Users/user/Documents/DEVELOPMENT/Flutter_Dev/Flutter_project/FlutterDatabaseSQFLite-master/ios/Runner/AppDelegate.m:1:
/Users/user/Documents/DEVELOPMENT/Flutter_Dev/Flutter_project/FlutterDatabaseSQFLite-master/ios/Runner/AppDelegate.h:2:9: fatal error: 'Flutter/Flutter.h' file not found
import
^~~~~~~~~~~~~~~~~~~
1 error generated.
/Users/user/Documents/DEVELOPMENT/Flutter_Dev/Flutter_project/FlutterDatabaseSQFLite-master/ios/Runner/main.m:2:9: fatal error: 'Flutter/Flutter.h' file not found
import
^~~~~~~~~~~~~~~~~~~
1 error generated.
=== BUILD TARGET Runner OF PROJECT Runner WITH CONFIGURATION Debug ===
ld: file not found: /Users/user/Library/Developer/Xcode/DerivedData/Runner-ctqhqjwcexxoquevqxydctpmagio/Build/Intermediates.noindex/Runner.build/Debug-iphonesimulator/Runner.build/Objects-normal/x86_64/AppDelegate.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Could not build the application for the simulator.
Error launching application on iPhone 8 Plus.


. And the strange thing is after this error, if I create new project of flutter it gives me below error.


/Users/user/Documents/DEVELOPMENT/Flutter_Dev/Flutter_project/local_db/ios/Runner/AppDelegate.h:1:9: fatal error: 'Flutter/Flutter.h' file not found import ^~~~~~~~~~~~~~~~~~~ 1 error generated. === BUILD TARGET Runner OF PROJECT Runner WITH CONFIGURATION Debug === /Users/user/Documents/DEVELOPMENT/Flutter_Dev/Flutter_project/local_db/ios/Runner/main.m:1:9: fatal error: 'Flutter/Flutter.h' file not found #import ^~~~~~~~~~~~~~~~~~~ 1 error generated. === BUILD TARGET Runner OF PROJECT Runner WITH CONFIGURATION Debug === In file included from /Users/user/Documents/DEVELOPMENT/Flutter_Dev/Flutter_project/local_db/ios/Runner/GeneratedPluginRegistrant.m:5: /Users/user/Documents/DEVELOPMENT/Flutter_Dev/Flutter_project/local_db/ios/Runner/GeneratedPluginRegistrant.h:8:9: fatal error: 'Flutter/Flutter.h' file not found #import ^~~~~~~~~~~~~~~~~~~ 1 error generated. === BUILD TARGET Runner OF PROJECT Runner WITH CONFIGURATION Debug === ld: file not found: /Users/user/Library/Developer/Xcode/DerivedData/Runner-eqhuhphzvosrgvdilnpudqzvakju/Build/Intermediates.noindex/Runner.build/Debug-iphonesimulator/Runner.build/Objects-normal/x86_64/AppDelegate.o clang: error: linker command failed with exit code 1 (use -v to see invocation) Could not build the application for the simulator. Error launching application on iPhone 8 Plus.


And the application stops working. Here is the output of flutter doctor command.

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel master, v0.8.7-pre.6, on Mac OS X 10.14 18A384a, locale en-IN)
[!] Android toolchain - develop for Android devices (Android SDK 28.0.2)
! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
[✓] iOS toolchain - develop for iOS devices (Xcode 9.3)
[✓] Android Studio (version 3.1)
✗ Flutter plugin not installed; this adds Flutter specific functionality.
✗ Dart plugin not installed; this adds Dart specific functionality.
[✓] VS Code (version 1.27.2)
[✓] Connected devices (1 available)


Please help me in this. Thanks in advance.

Try changing the Flutter channel from Master to Beta

In the terminal open the flutter directory and set the export path the type

flutter channel beta

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