After Upgrade 1817Rc3 License Error

[akmkmak]

Hi Support,
After new Upgrade 1817 Rc3 my license is giving error as attached.

Regards:
Mak

[REMAND]

I had exactly the same issue. Just deactivate it reboot the computer and put the key in again...but write the key down if you haven't a copy of it..

[ArcherQueen]

It's also covered in our FAQ,

Q: WHY DO I GET "INVALID LICENSE KEY" ERROR, WHEN MY LICENSE KEY SHOULD BE VALID?
A: Please make sure that you COPY & PASTE the license key code exactly without any extra space. If it didn't solve the issue, please remove ClashFarmer from Program Files (x86), and reinstall it with "Run as administrator".

Q: ERROR: "LICENSE ISSUE OCCURRED, HALTING BOT", WHAT SHOULD I DO?
A: "License issue occured, halting bot" error usually appears when using the same license key for more than one Clash of Clans account.