error: resource android:attr/fontVariationSettings not found

Warning:The android.dexOptions.incremental property is deprecated and it has no effect on the build process. /home/midhilaj/.gradle/caches/transforms-1/files-1.1/appcompat-v7-26.1.0.aar/be3106efb0df111fe5a3f7b356dd070b/res/values/values.xml Error:(246, 5) error: resource android:attr/fontVariationSettings not found. /project/bkup/7_march_2018/hyshoper/milla/build/intermediates/incremental/mergeDebugAndroidTestResources/merged.dir/values/values.xml … Read more