Thank you Paul.
I managed to add subtypes and domains for the (junction, device, and line) and to add rules for them as in the screenshot below. The rule says that a line of asset group (L1) is connected with another asset group (L1) via a junction of asset group (J1).
Now, in the network, lines (of L1 asset group) are not connected with each other via junctions (of J1 asset group), nevertheless, errors don’t show up as the topology is enabled (sample data is attached).
What could be the issue here?
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Jamal Numan
Geomolg Geoportal for Spatial Information
Ramallah, West Bank, Palestine