Issue with dashboard.bundle.js

We have created a table “FreeReports2” with 16K entries and it was working fine but the table is not responding since last week. The data can be accessed from MongoDB but we write a backed query, it is not working.

dashboard.bundle.js:75 Uncaught (in promise) Error

at handleError (dashboard.bundle.js:75)

The query is probably time outing and you need to create an index for it.