Datamodel query is working every 15 minutes, and for next 15 minutes is not working, why this is happening?

[admin12345678]

|from datamodel:"Threat"."Threat_one" |search *

and

|datamodel Threat Threat_one search

both of these queries is working every 15 minutes but after 15 minutes it's not working and so on. This is happening with this "Threat" data model only.

Could you pls help me to fix this out.

Thanks in advance