License Key giving 'unknown key' message in Wordpress

After I copy my License Key into Wordpress I receive this ‘unknown error’ message.


Please make sure you have copied the code correctly and there is no space at the start and end of the code. and please try again with clear browser cache.

Please contact the author of your purchased theme, the author will assist you.

How to contact an author to get support or for any technical query:


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here are the reasons for showing the error
Maybe there is typing mistake or any invalid space in the key on Wordpress site

it is typed in correctly

May be you are typing key in id box check is this key is valid?

it is typed in correctly in the box. The issue is it is not working. Can you fix this? It’s not a mistake on my end i have already cleared caches and tried on different browsers.

Sometimes, cached data can interfere with license key verification