For example when I run the command bzr branch lp:totem, I am getting error
gaurav@gaurav-HCL-ME-Laptop:~/bzr$ bzr branch lp:totem
You have not informed bzr of your Launchpad ID, and you must do this to
write to Launchpad or access private data. See "bzr help launchpad-login".
bzr: ERROR: Target directory "" already exists.
The present working directory is empty. I've tried on two systems, both running 12.04 and I'm getting the same result.