Ionic cordova build (firebase-crashlytics ) error

Ionic Framework
1

ionic cordova plugin remove cordova-plugin-firebase-crashlytics

npm uninstall @ionic-native/firebase-crashlytics

FAILURE: Build failed with an exception.

  • Where:
    Script ‘D:\unis\platforms\android\cordova-plugin-firebasex\sms-build.gradle’ line: 20

  • What went wrong:
    A problem occurred evaluating script.

Failed to apply plugin [class ‘com.google.firebase.crashlytics.buildtools.gradle.CrashlyticsPlugin’]
Crashlytics was applied to a project without an Android plugin. Please make sure the Crashlytics plugin is applied after the appropriate Android plugin for your project.

  • 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 3s
D:\unis\platforms\android\gradlew: Command failed with exit code 1 Error output:
FAILURE: Build failed with an exception.

  • Where:
    Script ‘D:\unis\platforms\android\cordova-plugin-firebasex\sms-build.gradle’ line: 20

  • What went wrong:
    A problem occurred evaluating script.

Failed to apply plugin [class ‘com.google.firebase.crashlytics.buildtools.gradle.CrashlyticsPlugin’]
Crashlytics was applied to a project without an Android plugin. Please make sure the Crashlytics plugin is applied after the appropriate Android plugin for your project.

  • 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 3s
[ERROR] An error occurred while running subprocess cordova.

    cordova.cmd build android exited with exit code 1.

    Re-running this command with the --verbose flag may provide more information.

(I am getting this when i try to build apk anyone can please help me to solve this issues. )