[StarCluster] Bug?

[Robert Hubley]

% starcluster terminate RM
StarCluster - (http://web.mit.edu/starcluster) (v. 0.92rc2)
Software Tools for Academics and Researchers (STAR)
Please submit bug reports to starcluster at mit.edu

Terminate cluster RM (y/n)? y
 >>> Terminating node: master (i-c01182a0)
 >>> Removing @sc-RM security group
!!! ERROR - InvalidGroup.InUse: There are active instances using 
security group '@sc-RM'
%