Hello Md Ayquassar, could you please additionally run following and attach the output to this bug:
reportbug --template gnome-shell I am asking because trying to open the coredump shows following warning inside a minimal uptodate Buster/stable VM, which could point to a incompatibility of some used shared libraries: warning: Could not load shared library symbols for 120 libraries, e.g. /lib/i386-linux-gnu/libgio-2.0.so.0. Kind regards, Bernhard