[Riparia - Wollemmi Forest] Underwater Rock Missing Collision / Clipping inside terrain mesh

An underwater rock asset in Wollemmi Forest on the Riparia map lacks collision geometry. When swimming into the rock, the character model clips through the solid stone texture and can swim freely inside and underneath the terrain mesh.

Tylosaurus passes straight through the rock face and swims inside/underneath the hollow stone geometry.

The underwater rock should have solid collision blocking character movement.