Your system firmware is too old for this specific update version. Update your CFW and stock firmware.
Fixes AI pathfinding during Long Lap Penalties. 4. Performance Fixes Frame Rate: Stabilizes performance during heavy rain races. MotoGP-21-NSP-Update-ROMSLAB.rar
The .nsp file is moved to the console’s MicroSD card or streamed over a USB connection from a PC. Your system firmware is too old for this