There is a problem here with a multipolygon
https://tools.geofabrik.de/osmi/?view=areas&lon=153.42329&lat=-28.03490&zoom=14
I couldn’t see what the problem is earlier.
I’m not able check now, but it just occurred to me that you may have added this inner twice to the mp as it is mapped with separate polygons as an island and as a residential area.