/usr/lib/x86_64-linux-gnu/libGL.so may be a broken link or does not exist.
If it is a broken link, then just remove it
sudo rm /usr/lib/x86_64-linux-gnu/libGL.so
and crete a new one
sudo ln -s /usr/lib/x86_64-linux-gnu/libGL.so.1 /usr/lib/x86_64-linux-gnu/libGL.so
If it is a broken link, then just remove it
sudo rm /usr/lib/x86_64-linux-gnu/libGL.so
and crete a new one
sudo ln -s /usr/lib/x86_64-linux-gnu/libGL.so.1 /usr/lib/x86_64-linux-gnu/libGL.so
