How to solve Error 120031

[sinclere]

HI,
I can't play the game anymore if there still were an error called 120031-2--1.
Please answer me how to solve this problem, thanks~
my fb account is sai23134681@yahoo.com.tw
game key which has problem is tpr6zndq53wzn50ujnx7

[FrostWolfcc]

I have error 120031-2--1 also.
My account is frostwolfhunter@hotmail.com
Game Key is jn4l96f82o79futpr6ud
Thanks~

[GbSammi]

also have the same error
game key is 3w1kb7vh0ujb4r82o75d
user name is: shami