Yes, it is listed as a ticket here:
https://code.ros.org/trac/ros/ticket/3682
with a patch.
And given it is 8 weeks old, a released patch will surely be done soon.

On 11/20/2011 06:25 PM, Kevin Walchko wrote:
> Oh, I noticed I also get this error too. I just hit (s)kip and move on ... I assume it is some git shenanigans.
>
> Installinghttp://git.mech.kuleuven.be/robotics/orocos_kinematics_dynamics.git  orocos_kinematics_dynamics-0.2.3 to /usr/local/electric/orocos_kinematics_dynamics
> No output of get branch.rosinstall_tagged_branch.merge
> The version orocos_kinematics_dynamics-0.2.3 of repohttp://git.mech.kuleuven.be/robotics/orocos_kinematics_dynamics.git  requested to be checked out into /usr/local/electric/orocos_kinematics_dynamics is not the current branch or commit and cannot be blindly updated in place. (d)elete, (a)bort, (b)ackup, (s)kip:
>