Priblem with old "Log" cost

Hello ?i have bought one month ago 0.5log--1 Unlock (Consumption 0.25 log)
Today 1 unlock it cost -0.33 log.i trying to unlock my K800 and have a message:

00:38:45 News: Your credit consumption policy: Level 1 (Novice)
00:38:53 Remainig credit (supreme): 0.25
00:39:05 Error: 0x16D3BA97
00:39:05 Error: 0x834ACC0E
00:39:05 Error: 0x51A411A0
00:39:05 Error: 0x78E56923
00:39:05 Error: 0x5C5AEBE3
00:39:05 Error: 0x3D35EAF1
00:39:05 Not enough credit
00:39:05 Failed!

So,what can i do now with my 0.25 log...???,give it to you for present.......

my e-mail is : genych@zahav.net.il