Cloud build failing

Appflow
1

Hello! I’m using ionic Pro and my cloud build are failing…
Someone know what is happening?

BUILD LOG:


BUILD SUCCESSFUL in 1m 10s 46 actionable tasks: 46 executed Built the following apk(s): 
/usr/src/app/platforms/android/app/build/outputs/apk/debug/app-debug.apk $ cordova build 
android success Running after script... $ run "clean-up" Running Stage clean-up for Job: 5556291
 ERROR: Job failed: exit status 1

my personal ionic info:

cli packages: (/usr/lib/node_modules)

    @ionic/cli-utils  : 1.19.2
    ionic (Ionic CLI) : 3.20.0

global packages:

    cordova (Cordova CLI) : 8.0.0 

local packages:

    @ionic/app-scripts : 3.1.9
    Cordova Platforms  : android 7.0.0 ios 4.5.4
    Ionic Framework    : ionic-angular 3.9.2

System:

    Android SDK Tools : 25.2.5
    Node              : v6.12.0
    npm               : 3.10.10 
    OS                : Linux 4.8

Environment Variables:

    ANDROID_HOME : /home/paulo/dev/android-sdk-linux

Misc:

    backend : pro