Description
The .csv file used to import associations does not include the following columns used to populate unit identifier fields in a telecom domain networks: FROMFIRSTUNIT, FROMNUMUNITS, TOFIRSTUNIT, and TONUMUNITS.
Solution
The unit identifier columns are required in the association .csv file when a telecom domain network is present in the utility network.
See the Import Associations tool help for information about formatting the .csv file.