There is a potential divide by 0 crash problem when decrementing
freezes. This is a bug in the network editor if used on networks when
nodes have been frozen by the cloning process. The bug will be fixed
in V11.0c. For now, when nodes have been frozen by the cloning process
they should not be decremented or deleted manually with the network
editor. Clone freezes can only be safely removed by the automatic
cloning process.
Steve