Hey there @Elexter,
Thanks for reaching out - we’re here to help!
It wouldn't be very likely that your Liked Songs disappeared due to changing your SSD. Sounds more like you could be experiencing an issue that we're currently investigating.
Check out this Ongoing Issue and add your vote to it by clicking on the +VOTE button. Make sure you follow the steps provided under Status Update as well.
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Hope this helps. Let us know if you have any more questions.