Try to fix onRewardedVideoCompleted error

[Penny13692018]

Try to fix this error:
compileDebugJavaWithJavac - is not incremental (e.g. outputs have changed, no previous execution, etc.).
/project/src/name/ratson/cordova/admob/rewardvideo/RewardVideoListener.java:13: error: RewardVideoListener is not abstract and does not override abstract method onRewardedVideoCompleted() in RewardedVideoAdListener

[Jasman]

I get an error message like this:

BUILD FAILED in 42s
(node:3688) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejec
tion id: 1): Error: cmd: Command failed with exit code 1 Error output:
C:\guiCordova\biss_finder\platforms\android\app\src\main\java\name\ratson\cordov
a\admob\rewardvideo\RewardVideoListener.java:90: error: method does not override
or implement a method from a supertype
@OverRide
^
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
1 error

IHSANA@JASMAN-PC C:\guiCordova\biss_finder

cordova plugin list

cordova-admob-sdk 0.17.0 "AdMob SDK"
cordova-plugin-admob-free 0.17.1 "Cordova AdMob Plugin"
cordova-plugin-console 1.1.0 "Console"
cordova-plugin-device 2.0.2 "Device"
cordova-plugin-dialogs 2.0.1 "Notification"
cordova-plugin-inappbrowser 3.0.0 "InAppBrowser"
cordova-plugin-splashscreen 5.0.2 "Splashscreen"
cordova-plugin-statusbar 2.4.2 "StatusBar"
cordova-plugin-whitelist 1.3.3 "Whitelist"
cordova-promise-polyfill 0.0.2 "cordova-promise-polyfill"
ionic-plugin-keyboard 2.2.1 "Keyboard"
onesignal-cordova-plugin 2.4.1 "OneSignal Push Notifications"
phonegap-plugin-barcodescanner 8.0.0 "BarcodeScanner"

Gradle 4.8 and android@7.0