[SOLVED] Can't play DVD with VLC ?

Hi,
Vlc read, .avi or .ts vidéos, but he can't play movies on DVD, it start and stop.
How to fix it ?
Thanks by advance.
vlc - MPEG, MPEG2, DVD and DivX player
Version : 3.0.17.3-1.mga8.tainted
lib64dvdcss2 - A library for accessing DVDs as a block device using deCSS if needed
Version : 1.4.2-3.mga8.tainted
System information:
Mageia 8
KDE Plasma Version: 5.20.4
Kernel Version: 5.15.58-desktop-2.mga8
OS Type: 64-bit
Mirror List Core Release
Mirror List Core Release Updates
Mirror List Nonfree Release
Mirror list Nonfree Updates
Mirror list Tainted Release
Mirror list Tainted Updates
Vlc read, .avi or .ts vidéos, but he can't play movies on DVD, it start and stop.
How to fix it ?

Thanks by advance.
vlc - MPEG, MPEG2, DVD and DivX player
Version : 3.0.17.3-1.mga8.tainted
lib64dvdcss2 - A library for accessing DVDs as a block device using deCSS if needed
Version : 1.4.2-3.mga8.tainted
System information:
Mageia 8
KDE Plasma Version: 5.20.4
Kernel Version: 5.15.58-desktop-2.mga8
OS Type: 64-bit
Mirror List Core Release
Mirror List Core Release Updates
Mirror List Nonfree Release
Mirror list Nonfree Updates
Mirror list Tainted Release
Mirror list Tainted Updates