Hi,
I am attempting to use SourceTree to clone a valid shared repository in Bitbucket. After entering the source/path for the repo into the Clone Reporitory screen, i receive an error message "This is not a valid source path / URL". Selecting the details button shows the error message "fatal: unable to access 'https://cybersmartwebteam@bitbucket.org/cybersmart/cybersmart.git/': Failed connect to bitbucket.org:443; No error"

We are sitting behind a proxy, but the proxy setting have been set up correctly inside SouceTree because we can see the repository name appear when we select the globe icon to the right of the "source path / url" field.

Can someone please let me know why this setting is not going through the proxy and help me with this setup??
Thanks
Stephen