Description
The tool encountered an error while attempting to load the network dataset template used to generate a preliminary network dataset from the input pathway and transition features. The tool uses the preliminary network dataset when calculating optimal routes between routable locations within a facility.
Solution
This error is usually data specific. Confirm that the input pathway and transition features conform to the ArcGIS Indoors Information Model for the PrelimPathways and PrelimTransitions feature classes. Contact Esri Technical Support for more information.