Thanks, mistake disappeared, but when I compile new project I get.
If I delete the reference to the firebaseNotifications library the error disappears.
>>>
ERROR: In <declare-styleable> FontFamilyFont, unable to find attribute android:font
ERROR: In <declare-styleable> FontFamilyFont, unable to find attribute android:fontStyle
ERROR: In <declare-styleable> FontFamilyFont, unable to find attribute android:fontVariationSettings
ERROR: In <declare-styleable> FontFamilyFont, unable to find attribute android:fontWeight
ERROR: In <declare-styleable> FontFamilyFont, unable to find attribute android:ttcIndex
ERROR: In <declare-styleable> GradientColor, unable to find attribute android:endX
ERROR: In <declare-styleable> GradientColor, unable to find attribute android:endY
ERROR: In <declare-styleable> GradientColor, unable to find attribute android:startX
ERROR: In <declare-styleable> GradientColor, unable to find attribute android:startY
ERROR: In <declare-styleable> GradientColorItem, unable to find attribute android
ffset