Unable to merge dex error after installing cordova-plugin-firebase

#1

Hey there! I’m trying to build my ionic cordova app after installing cordova-plugin-firebase and I’m having this output:

cordova build android
cordova-android-play-services-gradle-release: Android platform: cordova-android@7
cordova-android-play-services-gradle-release: No custom version found in config.xml - using plugin default
Android Studio project detected
cordova-android-play-services-gradle-release: Android platform: cordova-android@7
cordova-android-play-services-gradle-release: No custom version found in config.xml - using plugin default
Preparing Firebase on Android
ANDROID_HOME=/home/pablo/Android/Sdk
JAVA_HOME=/usr/lib/jvm/java-8-oracle
studio
Subproject Path: CordovaLib
Subproject Path: app
publishNonDefault is deprecated and has no effect anymore. All variants are now published.
+-----------------------------------------------------------------
| cordova-android-play-services-gradle-release: 15.+
+-----------------------------------------------------------------
Configuration 'compile' in project ':app' is deprecated. Use 'implementation' instead.
The Task.leftShift(Closure) method has been deprecated and is scheduled to be removed in Gradle 5.0. Please use Task.doLast(Action) instead.
        at build_8y7rsx9q1odxf29lj6l3mblph.run(/home/pablo/proyectos_ionic/SmartLogin-android/platforms/android/app/build.gradle:149)
:CordovaLib:preBuild UP-TO-DATE
:CordovaLib:preDebugBuild UP-TO-DATE
:CordovaLib:compileDebugAidl UP-TO-DATE
:CordovaLib:compileDebugRenderscript UP-TO-DATE
:CordovaLib:checkDebugManifest UP-TO-DATE
:CordovaLib:generateDebugBuildConfig UP-TO-DATE
:CordovaLib:prepareLintJar UP-TO-DATE
:CordovaLib:generateDebugResValues UP-TO-DATE
:CordovaLib:generateDebugResources UP-TO-DATE
:CordovaLib:packageDebugResources UP-TO-DATE
:CordovaLib:platformAttrExtractor UP-TO-DATE
:CordovaLib:processDebugManifest UP-TO-DATE
:CordovaLib:processDebugResources UP-TO-DATE
:CordovaLib:generateDebugSources UP-TO-DATE
:CordovaLib:javaPreCompileDebug UP-TO-DATE
:CordovaLib:compileDebugJavaWithJavac UP-TO-DATE
:CordovaLib:processDebugJavaRes NO-SOURCE
:CordovaLib:transformClassesAndResourcesWithPrepareIntermediateJarsForDebug UP-TO-DATE
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:compileDebugAidl UP-TO-DATE
:CordovaLib:packageDebugRenderscript NO-SOURCE
:app:compileDebugRenderscript UP-TO-DATE
:app:checkDebugManifest UP-TO-DATE
:app:generateDebugBuildConfig UP-TO-DATE
:app:prepareLintJar UP-TO-DATE
:app:generateDebugResValues UP-TO-DATE
:app:generateDebugResources UP-TO-DATE
:app:mergeDebugResources UP-TO-DATE
:app:createDebugCompatibleScreenManifests UP-TO-DATE
:app:processDebugManifest UP-TO-DATE
:app:splitsDiscoveryTaskDebug UP-TO-DATE
:app:processDebugResources UP-TO-DATE
:app:generateDebugSources UP-TO-DATE
:app:javaPreCompileDebug UP-TO-DATE
:app:compileDebugJavaWithJavac UP-TO-DATE
:app:compileDebugNdk NO-SOURCE
:app:compileDebugSources UP-TO-DATE
:CordovaLib:mergeDebugShaders UP-TO-DATE
:CordovaLib:compileDebugShaders UP-TO-DATE
:CordovaLib:generateDebugAssets UP-TO-DATE
:CordovaLib:mergeDebugAssets UP-TO-DATE
:app:mergeDebugShaders UP-TO-DATE
:app:compileDebugShaders UP-TO-DATE
:app:generateDebugAssets UP-TO-DATE
:app:mergeDebugAssets UP-TO-DATE
:app:extractTryWithResourcesSupportJarDebug UP-TO-DATE
:app:transformClassesWithStackFramesFixerForDebug UP-TO-DATE
:app:transformClassesWithDesugarForDebug UP-TO-DATE
:app:transformClassesWithDexBuilderForDebug UP-TO-DATE
:app:transformDexArchiveWithExternalLibsDexMergerForDebug FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
> java.lang.RuntimeException: java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex

* 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 12s
38 actionable tasks: 1 executed, 37 up-to-date
(node:9648) UnhandledPromiseRejectionWarning: Error: /home/pablo/proyectos_ionic/SmartLogin-android/platforms/android/gradlew: Command failed with exit code 1 Error output:
FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'.
> java.lang.RuntimeException: java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex

* 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 12s
    at ChildProcess.whenDone (/home/pablo/proyectos_ionic/SmartLogin-android/platforms/android/cordova/node_modules/cordova-common/src/superspawn.js:169:23)
    at emitTwo (events.js:126:13)
    at ChildProcess.emit (events.js:214:7)
    at maybeClose (internal/child_process.js:925:16)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)
(node:9648) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:9648) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

This is the ionic info output:

Ionic:
                                                                                                                                                               
   ionic (Ionic CLI)  : 4.0.2 (/usr/lib/node_modules/ionic)
   Ionic Framework    : ionic-angular 3.9.2                                                                                                                    
   @ionic/app-scripts : 3.1.10                                                                                                                                 
                                                                                                                                                               
Cordova:
                                                                                                                                                               
   cordova (Cordova CLI) : 8.0.0
   Cordova Platforms     : android 7.0.0                                                                                                                       
                                                                                                                                                               
System:
                                                                                                                                                               
   Android SDK Tools : 26.1.1
   NodeJS            : v8.11.3 (/usr/bin/node)                                                                                                                 
   npm               : 5.6.0                                                                                                                                   
   OS                : Linux 4.15                                                                                                                              

Environment:

   ANDROID_HOME : /home/pablo/Android/Sdk

I have already tried with cordova clean and cordova build. What else can i do?