Failed to build apk (Android)

Error:

CommandInvokationFailure: Failed to build apk.
C:/Program Files/Java/jdk-9\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir=“C:/Users/Josep/Downloads/tools_r25.2.3-windows ools” -Dfile.encoding=UTF8 -jar “C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar” -

Thanks!

Hello, when I experienced this error it was due to a plugins folder in my project window. Check to see if you have one in yours and try deleting it, or if you know for certain you need it, re-import it.