Every time during the starting of MATLAB these two warnings pop up?

I run a MATLAB 2019b in Ubuntu 18.10. Every time during the starting of matlab in the commandline, these two errors pops up. I have tried all the routine solution given in stackoverflow and matlab website. It seems not working for me.

praveen@praveen-HP-Z640-Workstation:~$ matlab

Gtk-Message: 14:04:04.217: Failed to load module "overlay-scrollbar"

Gtk-Message: 14:04:04.253: Failed to load module "canberra-gtk-module"

Answer 1

[Walter Roberson]

https://www.mathworks.com/matlabcentral/answers/472134-gtk-message-10-32-31-466-failed-to-load-module-canberra-gtk-module