unlocking sony Ericson C905 error

[mobonet]

Hi UB team,

When ever i try to unlock sony ericson C 905 CID52,always get error mesg,I think its some bug in new software coz i used to unlock sony ericson c905 many times.is it possibTried unlock a C905 CID52 phone:

Code:
TA2UnlockThread 2.8.0.2181 started at: 2009.09.01 10:27:39--------------------------------------------------------------------------------MCU Ericsson Version: 1.262, and up to date.SMCU Ericsson Version: 1.62, and up to date.Please turn on the phone while pressing the 2+5 keys!Phone Color: RED.Phone CID: 52.OTP IMEI: 357602-02-********Loader version: 2009-04-21 18:36 1202-0369_DB3210_PRE_LOADER_APP_SDRAM_R2A081--------------------------------------------------------------------------------TA2UnlockThread 2.8.0.2181 finished at: 2009.09.01 10:27:48Terminated with error: 00021022.No production loader for this CID, please use the CSCA unlock function [0002A1E5]
Please fix this problem