Contacts creating a dupe when editing a contact card
On our MBP 2017 running macOS Ventura 13.6.3, there are many duplicate cards in the Contacts app. Find duplicates does not find them. And, a new duplicate is created each time we edit a card.
Already tried these steps that did not fix problem:
1) Booted in Safe Mode
2) In the "~/Library/Application Support/AddressBook" folder I deleted the following 3 files then rebooted: AddressBook-v22.abcddb
AddressBook-v22.abcddb-shm
AddressBook-v22.abcddb-wal
MacBook Pro 13″, macOS 13.6