Android studio 2.0 gradle transformClassesWithDexForDebug fails when using button “run”

Question

I have a problem after migration from android studio 1.5 to 2.0

In one of my project (only one) i can\'t use android studio run button,

because then, build

Answer 1

add

dexOptions {
    javaMaxHeapSize "4g"
}

in android