You already have a license key for that domain - but it's not there in Subscriptions

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Trying to create a free key for a .co.uk domain but it says “You already have a license key for that domain”. The domain I am trying to add is NOT listed there in the Subscriptions. Another .co.uk was added ok previously some weeks ago but I now need to add an additional one.

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Hi there,

Which domain are you trying to add?

Logan