Invalid Email Response after trying to register license

[Mahirul Haque 0]

I purchased the Internet Security License recently from a reseller. But when I try to activate, I get this response. 

My email :

Any help would be appreciated. 

Edited November 4, 2022 by Marcos
Email address removed

[Marcos 5,725]

There is only an expired EIS license registered with that email address. Please contact the seller.