Build failed with an exception

[saelco]

Launching lib\main.dart on SM P355 in debug mode...
Running Gradle task 'assembleDebug'...

FAILURE: Build failed with an exception.

• What went wrong:
  Could not determine the dependencies of task ':app:preDebugBuild'.

Could not resolve all task dependencies for configuration ':app:debugRuntimeClasspath'.
Could not resolve project :video_player_web.
Required by:
project :app > project :ext_video_player
> Unable to find a matching configuration of project :video_player_web: None of the consumable configurations have attributes.

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 3m 16s
Finished with error: Gradle task assembleDebug failed with exit code 1

[saelco]

Launching lib\main.dart on SM P355 in debug mode...
Running Gradle task 'assembleDebug'...
E:\Flutter\Myproject\myproject\android\app\src\main\java\io\flutter\plugins\GeneratedPluginRegistrant.java:26: error: a type with the same simple name is already defined by the single-type-import of VideoPlayerPlugin
import io.flutter.plugins.videoplayer.VideoPlayerPlugin;
^
1 error

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':app:compileDebugJavaWithJavac'.

Compilation failed; see the compiler error output for details.

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 25s
Exception: Gradle task assembleDebug failed with exit code 1

How to fix it?