MongoError: Topology was destroyed
at nextFunction (/home/kanso/nodebb/node_modules/mongodb-core/lib/cursor.js:540:25)
at Cursor.next [as _next] (/home/kanso/nodebb/node_modules/mongodb-core/lib/cursor.js:692:3)
at fetchDocs (/home/kanso/nodebb/node_modules/mongodb/lib/cursor.js:856:10)
at toArray (/home/kanso/nodebb/node_modules/mongodb/lib/cursor.js:883:3)
at Cursor.toArray (/home/kanso/nodebb/node_modules/mongodb/lib/cursor.js:836:44)
at getSortedSetRange (/home/kanso/nodebb/src/database/mongo/sorted.js:53:5)
at Object.module.getSortedSetRange (/home/kanso/nodebb/src/database/mongo/sorted.js:15:3)
at async.waterfall.cids (/home/kanso/nodebb/src/user.js:298:7)
at nextTask (/home/kanso/nodebb/node_modules/async/dist/async.js:5273:14)
at Object.waterfall (/home/kanso/nodebb/node_modules/async/dist/async.js:5283:5)
at Object.User.getModeratedCids (/home/kanso/nodebb/src/user.js:296:8)
at Object.User.isModeratorOfAnyCategory (/home/kanso/nodebb/src/user.js:192:7)
at isModerator (/home/kanso/nodebb/src/middleware/header.js:75:12)
at /home/kanso/nodebb/node_modules/async/dist/async.js:3830:24
at replenish (/home/kanso/nodebb/node_modules/async/dist/async.js:946:17)
at iterateeCallback (/home/kanso/nodebb/node_modules/async/dist/async.js:931:17)