Error restoring GDFS

I'm fighting with my w880i for a few months, and still I got new errors. Trying to restore GDFS with setool2lite, I got this error: "file block nak,err:66". Help, please.

Welcome to SEtool2 ( LITE edition ) v 1.11
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors

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ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:51 PAF:1 IMEI:35578501361999 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:2019
Flash props sent ok
only FLASH operation supported in that mode
Elapsed:25 secs.
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:51 PAF:1 IMEI:35578501361999 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:2019
Flash props sent ok

CID52 BYPASS PROCEDURE STARTED
Processing part1...
CSloader version:
070410 1557 HANCXC1250562_DB2020_CSLOADER_R3A009
Processing part2...
file block nak,err:66
CID52 BYPASS PROCEDURE FINISHED

Elapsed:103 secs.