Android Studio TransformException : Error:Execution failed for task ':app:transformClassesWithDexForDebug'

Question

I am getting the exception below when I am trying to run the application using Android Studio:

Error:Execution failed for task \':app:transformClasses

Answer 1

Add the following line:

multiDexEnabled true

Inside the defaultConfig of build.gradle

Like this:

defaultConfig{
    multiDexEnabled true
}