Fn Layer is not registering correct keys

[graceful flicker]

Hi, got my wooting 60HE for amonth now and im' really happy with it. However, out of nowhere a weird problem appeared today.

Problem: When defining key through the FN Layer and activating the Layer by holding the Fn1 button, the key registered are not the one setup through wootility.
For exemple, i've been using a "virtual" numpad binded to Fn1 + U I O J K L , ; : (AZERTY Layout) meaning that for exemple when pressing Fn1 + U it used to register as Num 7. (See attached screens)
But now, without having done any whange in the wootility, it register as other key like "Home" for Fn1 + U and so on.
I have also made a short video in attachments where i type on Fn1 + U I O J K L to show what's happening.

Specifics:
Wootility v4.5.5
Wooting 60HE ARM
Firmware v2.6.21
Windows 10

I have already tried:
I've tried rebooting the PC and also duplicating the profile and re binding the Fn Layer but i still have the exact same behavior.

Let me know if you need more info or if you have any workaround !
Cheers.

[hollow nest]

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