Getting this error when trying to run a game on android

(sdk=https://developer.android.com/studio/---Windows)(jdk=version—1.8.0)(Unity Version----2018.2.6f1)

Errors are:
1:CommandInvokationFailure: Gradle build failed.
C:/Program Files/Java/jdk1.8.0_191\bin\java.exe -classpath “D:\Unity\Editor\Data\PlaybackEngines\AndroidPlayer\Tools\gradle\lib\gradle-launcher-4.2.1.jar” org.gradle.launcher.GradleMain “-Dorg.gradle.jvmargs=-Xmx2048m” “assembleRelease”

stderr[

FAILURE: Build failed with an exception.

  • What went wrong:
    A problem occurred configuring root project ‘gradleOut’.

Could not resolve all files for configuration ‘:classpath’.
Could not find intellij-core.jar (com.android.tools.external.com-intellij:intellij-core:26.0.1).
Searched in the following locations:
https://jcenter.bintray.com/com/android/tools/external/com-intellij/intellij-core/26.0.1/intellij-core-26.0.1.jar

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

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

BUILD FAILED in 37s
]
stdout[
Starting a Gradle Daemon (subsequent builds will be faster)
]
exit code: 1
UnityEditor.Android.Command.WaitForProgramToRun (UnityEditor.Utils.Program p, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.AndroidJavaTools.RunJava (System.String args, System.String workingdir, System.Action1 progress, System.String error) UnityEditor.Android.GradleWrapper.Run (UnityEditor.Android.AndroidJavaTools javaTools, System.String workingdir, System.String task, System.Action1 progress)
Rethrow as GradleInvokationException: Gradle build failed
UnityEditor.Android.GradleWrapper.Run (UnityEditor.Android.AndroidJavaTools javaTools, System.String workingdir, System.String task, System.Action`1 progress)
UnityEditor.Android.PostProcessor.Tasks.BuildGradleProject.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context)
UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context)

2:UnityEditor.BuildPlayerWindow+BuildMethodException: 2 errors
at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (BuildPlayerOptions options) [0x0021f] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:187
at UnityEditor.BuildPlayerWindow.CallBuildMethods (Boolean askForBuildLocation, BuildOptions defaultBuildOptions) [0x0007f] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:94
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)


THANKS A LOT IF YOU HELP!!!
ANY HELP IS APPRECIATED

Try this:

https://forum.unity.com/threads/builds-started-failing-in-2-projects-ive-been-changing-with-could-not-find-intellij-core-jar.573055/

More info:

https://stackoverflow.com/questions/52946371/android-studio-could-not-find-intellij-core-jar

Try actualize your jdk. If this not solve the problem, try actualize the android versions in the sdk manager.