error with mtbox log account

[mrfixit]

respected griffinteam,
I have mtbox log account with 450 credits left and would like to use one credit for pana x700 log file but get error, please explain whats wrong? also would like to use some credits for rpl dct4 but same error, please help thank you.

see log:
Wed May 02 19:21:08 2007

Server IP: 213.16.42.125, Box_SN: unik10
Connect... Resp: o/0110/hello there
Login...OK, available count 450/Added Panasonic X700 and VS3 and Alcatel E-xxx
Download lates version from
www.griffinteam.net

/
NK_DCT4_PLUS 5

---------------------
CREDIT COUNT: 450;

================================
Server IP: 213.16.42.125, Box_SN: unik10
Connect... Resp: o/0110/hello there
Login...OK, available count 450;

e/400/command execution error;