HI,
I have problem with use Asset Package on new blank file geodatabase utility network created. Im trying to load data and domain network from UNSolutions - concretly GasAndpipelineUtilityNetwork_v1.0 and Gas_UPDM_AssetPackage_v1.0
Environments:
ArcGIS Pro 2.9.0
untools 2.9.2
GP Tool: Apply Asset Package
It returns me this message:

There is one ERROR and several warnings. First of all i will need to resolve an error.
ERROR: 160526, WARNINGS see on printscreen + one warning is in Czech language, i sent the number: WARNNING: 002553 related in this topics:
160526: No starting points found.—ArcGIS Pro | Documentation
002553: One or more subnetworks failed to update.—ArcGIS Pro | Documentation
Do you have somebody an idea where is the problem? Thank you.
Marian