GSM-Forum - c905a unlock problem?

here's the logs

Quote:

14:57:50 SE Ultimate Unlocker v5.04 by Cruiser Team
14:57:51 - Fast & Full - Unlock, Relock, Show codes, Sec.zone rebuild, EROM repair, CID change
14:57:51 Initializing...
! 14:57:51 1. Please see the documentation first (the tab 'Info' or attached .pdf file)
! 14:57:51 2. Choose the phone model
! 14:57:51 3. Select the desired options
! 14:57:51 4. Please connect the phone either via USB while holding 2-5…
! 14:57:51 - or via a serial cable and double-click on it in the device list
14:58:14 Selected phone: C905
14:58:14 Connecting via Generic EMP USB Flash Device (USB1)…
14:58:14 Device driver version: 2.2.0.5
14:58:14 Device driver date: 5-4-2010
14:58:15 Connecting to the baseband CPU...
14:58:15 Entering baseband CPU service mode...
14:58:16 Detected chipset: DB3210 P1B
14:58:16 Boot mode: ROM
14:58:17 IMEI: 35760302096240
14:58:17 OTP CID: 53
14:58:17 Product type: Retail
14:58:17 Effective color: Red
14:58:17 Sending loader...
14:58:21 Communicating with server…
! 14:58:26 News: -----------------------------------------------------------------
! 14:58:26 News: Try OMNIUS, new Sony Ericsson service tool!
! 14:58:27 News: Home | Omnius
! 14:58:28 News: -----------------------------------------------------------------
! 14:58:28 News: Your consumption level is: Level 2 (Junior)
14:58:29 Remainig credit (supreme): 0
14:58:33 Restarting phone …
14:58:40 Sending loader...
E 14:58:46 Error: 0xF984FBBB
E 14:58:46 Error data: 0xF984FBBB - 00000004:1F000000
E 14:58:46 Error: 0xA8A269DB
E 14:58:46 Error: 0xE7AA3974
E 14:58:46 Error: 0xDDB61C08
E 14:58:46 Error: 0xFB12E1E5
E 14:58:46 Error: 0x5EBDED89
E 14:58:46 Error: 0x3CA1C96F
E 14:58:46 Error: 0x14C12528
E 14:58:46 Error: 0xF62DDDA4
E 14:58:46 Error: 0x16D3BA97
E 14:58:46 Error: 0xBB357BB6
E 14:58:46 Error: 0xCDFE8536
E 14:58:46 Error: 0x3D1C4CBE
E 14:58:46 Error: 0x5FCE955C
E 14:58:46 Error: 0x3D35EAF1
E 14:58:46 Error: 0x07F5EFDA
E 14:58:46 Error: 0xF984FBBB
E 14:58:46 Error data: 0xF984FBBB - 00000004:E3030000
E 14:58:46 Cable disconnect detected
E 14:58:46 Not enough credit
E 14:58:46 Failed!
! 14:58:46 To report errors right-click this window

not enough credits???it means this unit is not free?
but this unit is a2 right?plz help me...tnx

br,