Using SVN as Source Control error

Hello i am trying to set up svn following
Using SVN as Source Control for Unreal Engine | Unreal Engine 5.7 Documentation | Epic Developer Community
but i have error on unreal engine
vn: E170013: Unable to connect to a repository at URL ‘file:///C:/Repositories/myrepo’
svn: E180001: Unable to open repository ‘file:///C:/Repositories/myrepo’
svn: E160043: Expected FS format between ‘1’ and ‘7’; found format ‘8’
Échec de la connexion au contrôle de révision. Vérifiez vos paramètres et votre connexion, puis réessayez.