001785: No valid starting points found.
Description
The trace requires at least one specified starting point.
Starting points can be specified using the Trace pane or, if run as part of a script, using the Add Trace Locations tool.
Review the trace type used to check the requirements.
Solution
Ensure that a valid starting point is used for the trace.
Use the Trace pane or Add Trace Locations tool.
Ensure that the feature on which the starting point is placed is reflected in the network topology. This can be done by validating the network topology.