thank you for your response. Here what comes out:
Unable to load library icui18n "Cannot load library icui18n: (icui18n: cannot open shared object file: No such file or directory)"
(soffice:4723): Gtk-ERROR **: 21:05:33.628: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same...
Hello,
I am running with Ubuntu 18.04.5 LTS. All the libreoffice suite (1:6.4.6~rc2-0ubuntu0.18.04.1) doesn't react when i try to open it. I reinstalled it without success (with "sudo apt install libreoffice"). Did you hear about such problems ? Thank you a lot for helping me! :)