Activate my licence to Trados Studio 2021

I have installed my SDL Trados Studio 2021 Freelance on my new notebook as the old one crashed. I need an activation code, which is why I pressed the link to reactivate it. The online did not work, so I tried the offline where I got this message: An error has occurred with your offline-deactivation. If you continue to have problems, please Please log a support request.

Sorry, if this is not where to post it, but I followed the link on the above message.

How can I make it work again?

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