Inner Planes - Missing Connection Markers

This 16 layer design has 6 plane layers.

AD16.1.8 is displaying the plane connections on only 4 of 6 plane layers.

L2 Plane is showing connections to the plane.

L4 Plane is showing connections to the plane.

L6 Plane is NOT showing connections to the plane.

L11 Plane is NOT showing connections to the plane.

L13 Plane is showing connections to the plane.

L15 Plane is showing connections to the plane.

That's It !