beaglebone green wireless- tightVNC viewer

Xsession: unable to start X session — no “/root/.xsession” file, no
“/root/.Xsession” file, no session managers, no window managers, and no
terminal emulators found; aborting
I am facing the following error when trying to run on tightvnc server
looking for help…
Thanks in advance
cheeers…

On Tue, 29 May 2018 04:27:00 -0700 (PDT),
skrishnachaitanya09@gmail.com declaimed the
following:

Xsession: unable to start X session --- no "/root/.xsession" file, no
"/root/.Xsession" file, no session managers, no window managers, and no
terminal emulators found; aborting
I am facing the following error when trying to run on tightvnc server
looking for help.....

  Information missing:

  What OS image are you running, for example? If you connect via the HDMI
to a monitor (and a USB keyboard/mouse system) do you get a graphical
display?