Address MongoError: Topology was destroyed

[pandapaul]

2017-08-03T13:33:45.103217+00:00 app[web.1]: MongoError: Topology was destroyed
2017-08-03T13:33:45.103227+00:00 app[web.1]:     at nextFunction (/app/node_modules/mongodb-core/lib/cursor.js:540:25)
2017-08-03T13:33:45.103229+00:00 app[web.1]:     at Cursor.next [as _next] (/app/node_modules/mongodb-core/lib/cursor.js:692:3)
2017-08-03T13:33:45.103230+00:00 app[web.1]:     at fetchDocs (/app/node_modules/mongodb/lib/cursor.js:856:10)
2017-08-03T13:33:45.103230+00:00 app[web.1]:     at toArray (/app/node_modules/mongodb/lib/cursor.js:883:3)
2017-08-03T13:33:45.103231+00:00 app[web.1]:     at Cursor.toArray (/app/node_modules/mongodb/lib/cursor.js:836:44)
2017-08-03T13:33:45.103231+00:00 app[web.1]:     at /app/node_modules/mquery/lib/collection/node.js:29:12
2017-08-03T13:33:45.103232+00:00 app[web.1]:     at handleCallback (/app/node_modules/mongodb/lib/utils.js:120:56)
2017-08-03T13:33:45.103233+00:00 app[web.1]:     at Collection.find (/app/node_modules/mongodb/lib/collection.js:385:44)
2017-08-03T13:33:45.103234+00:00 app[web.1]:     at NativeCollection.(anonymous function) [as find] (/app/node_modules/mongoose/lib/drivers/node-mongodb-native/collection.js:126:28)
2017-08-03T13:33:45.103234+00:00 app[web.1]:     at NodeCollection.find (/app/node_modules/mquery/lib/collection/node.js:26:19)
2017-08-03T13:33:45.103235+00:00 app[web.1]:     at Query.find (/app/node_modules/mquery/lib/mquery.js:1730:20)
2017-08-03T13:33:45.103235+00:00 app[web.1]:     at Query._find (/app/node_modules/mongoose/lib/query.js:1137:26)
2017-08-03T13:33:45.103236+00:00 app[web.1]:     at /app/node_modules/kareem/index.js:257:8
2017-08-03T13:33:45.103237+00:00 app[web.1]:     at /app/node_modules/kareem/index.js:23:7
2017-08-03T13:33:45.103238+00:00 app[web.1]:     at _combinedTickCallback (internal/process/next_tick.js:73:7)
2017-08-03T13:33:45.103238+00:00 app[web.1]:     at process._tickCallback (internal/process/next_tick.js:104:9)