If the system times out when trying to edit or delete the address from a user's Contacts tab, try the below troubleshooting steps:
Try to change this from the mobile app
Clear the cache memory on your browser
Try from an incognito tab and a different browser
Ask a different system admin to do this for you
If the issue persists, raise a new case online and reference the title of this article providing the following details:
Name of users affected