ORA-2001 HIG-0197: SDO Metadata for layer not found.
NSG load batch step 15 contains warning message mentioned above.
This message appears because the there is no data in user_sdo_geom_metadata table. This can be fixed if you go to Exor>GIS Layer Tool>SDO Layers>Network Manager>Node Layer and click on "Build Point Locations" button.
https://communities.bentley.com/products/assetwise/exor/w/wiki/8668