Why does the KEY I buy can't use it?

[Jackertan]

I bought KEY in 2016-05-18 12:17:36, the length of the purchase is 3600 days, I have not played for a long time in the middle, I want to play today, but can not use this KEY landing, excuse me? How to solve it?

 

[Tony]

take a look here plz

https://www.thebuddyforum.com/threa...nbuddy-and-hearthbuddy-lifetime-users.294249/