Android Build failed with an exception - Help

Hello Unity Forum,

after trying to build my android game the error below occurred, how can I fix it? (I'm using Unity 2018.2.12f1 (64-bit))

 CommandInvokationFailure: Gradle build failed. 
 C:\Program Files\Java\jdk1.8.0_261\bin\java.exe -classpath "C:\Program Files\Unity 2018.2.12\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:
 Execution failed for task ':packageRelease'.
 > org.gradle.tooling.BuildException (no error message)
 
 * 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 7m 25s
 ]
 stdout[
 Starting a Gradle Daemon (subsequent builds will be faster)
 :preBuild UP-TO-DATE
 :preReleaseBuild
 :compileReleaseAidl
 :compileReleaseRenderscript
 :checkReleaseManifest
 :generateReleaseBuildConfig
 :prepareLintJar
 :generateReleaseResValues
 :generateReleaseResources
 :mergeReleaseResources
 :createReleaseCompatibleScreenManifests
 :processReleaseManifest
 :splitsDiscoveryTaskRelease
 :processReleaseResources
 :generateReleaseSources
 :javaPreCompileRelease
 :compileReleaseJavaWithJavac
 :compileReleaseNdk NO-SOURCE
 :compileReleaseSources
 :lintVitalRelease
 :mergeReleaseShaders
 :compileReleaseShaders
 :generateReleaseAssets
 :mergeReleaseAssets
 :transformClassesWithPreDexForRelease
 :transformDexWithDexForRelease
 :mergeReleaseJniLibFolders
 :transformNativeLibsWithMergeJniLibsForRelease
 :processReleaseJavaRes NO-SOURCE
 :transformResourcesWithMergeJavaResForRelease
 :validateSigningRelease
 :packageRelease
 Expiring Daemon because JVM Tenured space is exhausted
 Daemon will be stopped at the end of the build after running out of JVM memory
 Expiring Daemon because JVM Tenured space is exhausted
 Expiring Daemon because JVM Tenured space is exhausted
 :packageRelease FAILED
 Expiring Daemon because JVM Tenured space is exhausted
 25 actionable tasks: 25 executed
 Expiring Daemon because JVM Tenured space is exhausted
 Expiring Daemon because JVM Tenured space is exhausted
 ]
 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.Action`1 progress, System.String error)
 UnityEditor.Android.GradleWrapper.Run (UnityEditor.Android.AndroidJavaTools javaTools, System.String workingdir, System.String task, System.Action`1 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)
 UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)