When opening the SDK Manager in Android Studio:
Open the Android SDK Manager.
Go to the "SDK Tools" tab and select the "Show package details" checkbox in the lower right corner of the screen.
Check option 23.0.1 in the "Android SDK Build-Tools" section.
Click "Apply." You must be offered a license agreement. Accept the license and you're done.
Try repeating your response app.
If you are not using Android Studio:
Open the SDK Manager in the Android SDK folder (possibly in the tools or platforms folder)
" Android SDK Build-tools", 23.0.1.
" 1 " ( . , / - )
. SDK .
.