1st FW2.81 UMD Game DOESN'T work with DevHook ?

ULUS-10175.Cabela's African Safari

File list
disc0:/PSP_GAME/
disc0:/PSP_GAME/ICON0.PNG
disc0:/PSP_GAME/ICON1.PMF
disc0:/PSP_GAME/PARAM.SFO
disc0:/PSP_GAME/PIC0.PNG
disc0:/PSP_GAME/PIC1.PNG
disc0:/PSP_GAME/SND0.AT3
disc0:/PSP_GAME/SYSDIR/
disc0:/PSP_GAME/SYSDIR/BOOT.BIN
disc0:/PSP_GAME/SYSDIR/EBOOT.BIN
disc0:/PSP_GAME/SYSDIR/UPDATE
disc0:/PSP_GAME/SYSDIR/UPDATE/DATA.BIN
disc0:/PSP_GAME/SYSDIR/UPDATE/EBOOT.BIN
disc0:/PSP_GAME/SYSDIR/UPDATE/PARAM.SFO
disc0:/PSP_GAME/USRDIR/
disc0:/PSP_GAME/USRDIR/DATA.ARC
disc0:/PSP_GAME/USRDIR/MODULES/
disc0:/PSP_GAME/USRDIR/MODULES/KMODULE/
disc0:/PSP_GAME/USRDIR/MODULES/KMODULE/AUDIOCODEC.PRX
disc0:/PSP_GAME/USRDIR/MODULES/KMODULE/MPEGBASE.PRX
disc0:/PSP_GAME/USRDIR/MODULES/KMODULE/SC_SASCORE.PRX
disc0:/PSP_GAME/USRDIR/MODULES/KMODULE/VIDEOCODEC.PRX
disc0:/PSP_GAME/USRDIR/MODULES/MODULE/
disc0:/PSP_GAME/USRDIR/MODULES/MODULE/LIBATRAC3PLUS.PRX
disc0:/PSP_GAME/USRDIR/MODULES/MODULE/MPEG.PRX
disc0:/PSP_GAME/USRDIR/MOVIES/
disc0:/PSP_GAME/USRDIR/MOVIES/ATVI.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/DEMO1.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/LEGAL.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/OUTRO.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/R01_L01B.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/R02_L01B.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/R03_L01B.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/R05_L01B.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/R06_L01B.PMF
disc0:/PSP_GAME/USRDIR/MOVIES/SGS.PMF
disc0:/UMD_DATA.BIN

UMD_DATA.BIN
ULUS-10175|8EDAFC8F7EF60E64|0001|G |

PARAM.SFO
=============================================================================
PlayStation Portable PSF File Data
=============================================================================

Filename : disc0:\PSP_GAME\PARAM.SFO

Start of section labels : b4
Start of section data : 120
Unknown header data : 01 01 00 00
Number of Sections : 10

Sect Loff Doff Dsiz Duse Dtyp Unkn Label Value
=============================================================================
0 0000 0000 0004 0004 04 0004 BOOTABLE = 1
1 0009 0004 0004 0003 02 0004 CATEGORY = UG
2 0012 0008 0010 000a 02 0004 DISC_ID = ULUS10175
3 001a 0018 0004 0004 04 0004 DISC_NUMBER = 1
4 0026 001c 0004 0004 04 0004 DISC_TOTAL = 1
5 0031 0020 0008 0005 02 0004 DISC_VERSION = 1.01
6 003e 0028 0004 0004 04 0004 PARENTAL_LEVEL = 5
7 004d 002c 0008 0005 02 0004 PSP_SYSTEM_VER = 2.81
8 005c 0034 0004 0004 04 0004 REGION = 32768
9 0063 0038 0080 001a 02 0004 TITLE = Cabela's® African Safari
=============================================================================