Looks like that panel is 1/32 scan, and I only see support for 1/8 and 1/16 scan: https://github.com/pixelmatix/SmartMatrix/blob/master/src/SmartMatrix3.h#L128-L129
I think the library would need updated to support 1/32 scan, but @Louis would have to confirm.
Here’s a related topic, getting a 1/4 scan panel to work: SmartMatrix with 1/4 scan hub75 panels