Any recommended methods to leverage mapping Apartment number in Onboarding 1.0 EEC? Any best practices know or prior experiences would be appreciated.

I have a ticket in with SAP but was curious of any prior experiences like mine.Ran Resync process first time and it ended after loading roughly 4000 records and we have approximately 25000 active records. error=com.sap.cloud.ips.connectors.api.Connec...