Backup folder try to acces to parent folder

Hello, i have this issue with the new version on my web server on multiple website :

SplFileInfo::isDir(): open_basedir restriction in effect. File(/var/www/web/..) is not within the allowed path(s): (/var/www/web:/var/www/private:/var/www/tmp…

It would seem that the new version tyr to acceded to parent folder of the wordpress instalation and i don’t activated the settings to Top level folder.

Thank you