Error Code 61

[amaru007]

Checked the site to see how many credits i needed to unlock my modem.
224 Unlock Huawei E5331 2

installed the software, did autodetect:
Found modem : E5331
Model : Huawei E5331

bought my credits and signed in:
User : amaru007
Password : OK !
Credits left : 4

clicked unlcok, but:
Unlocking, please wait ...
Insufficient credits !
Error code 61
unlock failed !

help please.

[Vincentas]

You have checked wrong price list. List that you checked is for dongle users - for mass unlock users that have hardware keys to dc-unlocker software - dongles.
Without having dongle you need to use this list: https://www.dc-unlocker.com/buy/user_prices