Which you are playing on (PC, Android, physical PSP)? Which game region you own (USA or Europe)?
UFC Undisputed 2010 requires a specific firmware version to run.
the patched save data ZIP or RAR file from a trusted emulation community forum. ufc 2010 psp savedata patched
Save files are locked to specific regions. A US save file ( ULUS10515 ) will not load if you run a European ( ULES01433 ) game ISO. Make sure your save file matches your specific game region ID. You can fix this by renaming the save folder and modifying the internal PARAM.SFO file using a PC tool like or PSP Savegen . 2. Bypass MagicSave Firmware Checks
Before downloading any save file, you must ensure the file matches your specific game region. Game saves are region-locked by a unique Product ID. United States (NTSC) version ULES-01431: European (PAL) version Which you are playing on (PC, Android, physical PSP)
Go to Documents/PPSSPP/PSP/SAVEDATA . On a real PSP: Connect via USB and go to PSP/SAVEDATA . Paste the folder into that directory. Launch the game and select "Load Game" from the main menu.
A patched save is an edited or modified save file that changes game progress, unlocked content, character stats, currency, or other in-game values. For UFC 2010 (PSP) this commonly includes: the patched save data ZIP or RAR file
Let me know if the below works for you: