Looking for clarification of a Network Analyst Message

Discussion created by robertlindquist on Nov 14, 2011
Latest reply on Nov 14, 2011 by robertlindquist
When I solve for a route, I am getting the following message:

Warning: Gaps have been detected in the cumulative impedance values of the output. This can occur due to the presence of positive-impedance junctions, turns, or additive point barriers along the output edges. Measures have been disabled for output in this case.

I have looked in the Help to try to find out exactly what it all means and if it is a serious problem.  I have modified the "minutes" attribute to encourage/discourage travel along some parts of the network.  In the route directions, I am not concerned with travel time, only a workable route (I'm routing oversize vehicles and simply looking for a way to get them from point A to point B).  I don't know if that is what's causing this message or not.  Any further explanation of what the message means and what the ramifications are would be appreciated.