0x08908BB4: "Failed -> Error %08X loading module nan

[NetWalker]

Folks ,

I got an Error trying to load a cfw and I don't know why..

I've running the Pandora + CFW for many PSP but I got one that contain the original Sony 3.93
and it stops witha 80020231 error Loading nand_updater.

When I DISASM the resurrection.elf I was able to find the address:

0x08908B78 - 00 00 00 00 | 4C 6F 61 64 | 69 6E 67 20 | 75 70 64 61 - ....Loading upda
0x08908B88 - 74 65 72 20 | 6D 6F 64 75 | 6C 65 73 2E | 2E 2E 20 00 - ter modules... .
0x08908B98 - 6D 73 30 3A | 2F 6B 64 2F | 6E 61 6E 64 | 5F 75 70 64 - ms0:/kd/nand_upd
0x08908BA8 - 61 74 65 72 | 2E 70 72 78 | 00 00 00 00 | 46 61 69 6C - ater.prx....Fail
0x08908BB8 - 65 64 20 2D | 3E 20 45 72 | 72 6F 72 20 | 25 30 38 58 - ed -> Error %08X
0x08908BC8 - 20 6C 6F 61 | 64 69 6E 67 | 20 6D 6F 64 | 75 6C 65 20 - loading module
0x08908BD8 - 6E 61 6E 64 | 5F 75 70 64 | 61 74 65 72 | 0A 00 00 00 - nand_updater....

and


0x08908B7C: "Loading updater modules... "
0x08908B98: "ms0:/kd/nand_updater.prx"
0x08908BB4: "Failed -> Error %08X loading module nand_updater\n"


... but I don't know how to proceed...

Does anyone could help me to understand whats going on ??

Thank you in advance.