Hello, @Karthik_7
Thanks for your post.
I have checked the activation code for the EB AutoCore 8.8.7 from my end, seems the activation code is also not updated yet, it is expired on 2024/12/31, the same for the issue you met.
From my experience, the code may be updated in recent few days, you may check it from the account and try again if the code is updated. Also, I have reported it to corresponding team for solving this issue.
I feel very sorry for your inconvenience.
BR
Chenyin