'Interceptor.overlaps in Android Studio throwing error

I am fresher in Android, Android Studio and Game making. When am using if (Intersector.overlaps... for Collision detection in a practice game am making similar to Flappy Bird, AVD is acting up, however by just removing the :

if (Intersector.overlaps(menCircle, topTubeRectangles[i]) || Intersector.overlaps(menCircle, bottomTubeRectangles[i])) {
   Gdx.app.log("Collision", "Yes!");
}

Collision Detection

Intersector patch, code works fine with the Red Circle and Red Rectangles. (Red colored to make them detect collision)

Error in LogCat:

java.lang.NullPointerException:
Attempt to read from field 'float com.badlogic.gdx.math.Rectangle.x' on a null object reference at com.badlogic.gdx.math.
Intersector.overlaps(Intersector.java:1099)`


Sources

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Source: Stack Overflow

Solution Source