There are a few possible issues that can cause this issue. The most likely solution would be to run:
sudo apt-get install apt-transport-https
You can find more details and possible causes for this issue here.
I run this command and received error: Reading package lists... Done
Building dependency tree
Reading state information... Done
Package apt-transport-https is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'apt-transport-https' has no installation candidate