Cannot activate SDL Trados 2019 after reformating my laptop

I currently reformatted and upgraded my laptop, and then reinstalling SDL Trados 2019 Freelance.

The reinstalling was a success, but when I tried to activate it using it's original code I received when I bought the license, an error message pop up:

"Activation failed. No licenses are currently available for the specified activation code".

What should I do?

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