I’ve seen several of these errors in the Tasks window. This is what is logged:
Unexpected item: VIEW sys.database_firewall_rules.create_date datetime(8/23/3) 0
Unexpected item: VIEW sys.database_firewall_rules.end_ip_address varchar(45/0/0) 0
Unexpected item: VIEW sys.database_firewall_rules.id int(4/10/0) 0
Unexpected item: VIEW sys.database_firewall_rules.modify_date datetime(8/23/3) 0
Unexpected item: VIEW sys.database_firewall_rules.name sysname(256/0/0) 0
Unexpected item: VIEW sys.database_firewall_rules.start_ip_address varchar(45/0/0) 0