Thanks for posting in! Please check your Themeco Account and make sure that you have assigned the correct domain URL to your license code. Make sure that you have the assigned the URL like what you have in Settings > General > Site URL in your WordPress dashboard.
In case if you have not seen our license doc please have a look at these.
If none if these work for you,please share your details in a secure note. Please provide the following details
WordPress Login URL
Admin level username and password
You can find the Secure Note button at the bottom of your posts