not working on PHP 8.3

[arnold]

I'm running the latest Xenforo 2.3 and PHP 8.2.21

now when i switch over to PHP 8.3 i only get a white screen, even if i disabel all the addon's or set the default template it keeps white.
I even can't acces the admin panel.

where do i have to look, my provider send me to xenforo because of trouble with the software.

need some help on how to find the problem.
not working on PHP 8.3

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