[QUERY UI] Warning symbol shown for array fields in query

Query issued:
select bitand(tasks_points.task1,VMs[0].RAM,VMs[1].RAM,tasks_points.task2,join_day,mutated,join_mo,test_rate,VMs[0].memory,VMs[1].memory) from default where _id='query-testemployee10153.1877827-0';

Attaching screenshot.

Example document:

{
"tasks_points":

{ "task1": 1, "task2": 1 }

,
"name": "employee-9",
"mutated": 0,
"skills": [
"skill2010",
"skill2011"
],
"join_day": 9,
"join_mo": 10,
"email": "9-mail@couchbase.com",
"test_rate": 10.1,
"join_yr": 2011,
"_id": "query-testemployee10153.1877827-0",
"VMs": [

{ "RAM": 10, "os": "ubuntu", "name": "vm_10", "memory": 10 }

,

{ "RAM": 10, "os": "windows", "name": "vm_11", "memory": 10 }

],
"job_title": "Engineer"
}