I’m confused

Big problem Numark NS7ll and Serato Dj

Hello, I have a little problem:

For 1 year my NS7 ll works very well on Serato.
But overnight, Serato decided to no longer connect my NS7 ll.

I'm on high Sierra macOS, but the biggest problem is that in the "audio and MIDI setup" the numark NS7 ll is present.
And since the NS7 ll is MIDI compatible, in Logic Pro X it works.

And I do not understand why it does not work on Serato!
Thank you ;)
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