Please enter a valid license key

I just bought the Prolancer theme. However, when I try to activate the theme, it says " Please enter a valid license key." I copy-pasted to ensure that the purchase code is exactly the same.
Please help.

Hello @mikasa28

You can contact to author they will be happy to help you

How to contact an author


Hi @mikasa28,

you can check this article for more:

Please make sure you have copied the Purchase Code correctly and there is no space at the start and end of the code.