Constraint left members out

An Add Constraint rule held For each source, target, location or product matched nothing for some of them, for example a location with no lane the rule selects. The solve ran with the rule applied to the others. This message is for information.

What to do

Usually there is nothing to do. If a member named in the message should have been covered, add the lanes, supply or demand it is missing.

Where it comes from

Shown by Network Optimization. It is one of the messages about a node.