Displacement problem

[Quentin Saison]

Hello,
I have a problem of displacement. Indeed, when I want move my forum files on hxxp:web-apprentis.pe.hu [nonactive] to hxxp:forum.web-apprentis.pe.hu [nonactive], the CSS does not follow.
Can you help me please?

[Illori]

run What is repair_settings.php?.

[Quentin Saison]

run What is repair_settings.php?.

I go, thank's!