Magnet Shield pull rings out of thin air in large maps.
I posit this issue is an overflow error when it comes to how the game stores thing coordinates.
The stage in question. It is large enough to cross through all quadrants of the stage.
Video of the magnet shield retrieving mysterious invisible rings straight from the bowels of nowhere: SRB2_v2.2.11_2023-08-01_21-05-07__1_