rocketchat errors

eventemitter.txt

2015-10-12 20:52:59 880: (node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxListeners() to increase limit.
2015-10-12 20:53:00 042: Trace
    at process.addListener (events.js:160:15)
    at process.on.process.addListener (node.js:802:26)
    at Object.InstanceStatus.registerInstance (packages/konecty:multiple-instances-status/konecty:multiple-instances-status.js:46:1)
    at Object.InstanceStatus.ping (packages/konecty:multiple-instances-status/konecty:multiple-instances-status.js:90:1)
    at packages/konecty:multiple-instances-status/konecty:multiple-instances-status.js:75:1
    at [object Object]._.extend.withValue (packages/meteor/dynamics_nodejs.js:56:1)
    at packages/meteor/timers.js:6:1
    at runWithEnvironment (packages/meteor/dynamics_nodejs.js:108:1)

mongoerror1.txt

2015-10-13 19:17:13 953: Exception while invoking method 'sendMessage' MongoError: insertDocument :: caused by :: 11000 E11000 duplicate key er
ror index: rocketchat.rocketchat_message.$_id_  dup key: { : "YWwsLRQjs8eDSXTmu" }
    at Object.Future.wait (/var/www/rocket.chat-prod/bundle/programs/server/node_modules/fibers/future.js:398:15)
    at [object Object].<anonymous> (packages/meteor/helpers.js:119:1)
    at [object Object].MongoConnection.(anonymous function) [as insert] (packages/mongo/mongo_driver.js:678:1)
    at OptimizedApply (packages/meteorhacks:kadira/lib/utils.js:31:1)
    at Object.ret.(anonymous function) (packages/meteorhacks:kadira/lib/hijack/db.js:20:1)
    at Object.CollectionHooks.defineAdvice.self (packages/matb33:collection-hooks/insert.js:48:1)
    at Object.collection.(anonymous function) [as insert] (packages/matb33:collection-hooks/collection-hooks.js:103:1)
    at [object Object].Mongo.Collection.(anonymous function) (packages/mongo/collection.js:575:1)
    at [object Object].Mongo.Collection.(anonymous function) [as insert] (packages/dispatch:run-as-user/lib/collection.overwrites.js:51:1)
    at Object.RocketChat.sendMessage (packages/rocketchat:lib/server/sendMessage.coffee:21:29)
    - - - - -
    at Object.toError (/var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/utils.js:114:11)
    at /var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/collection/core.js:116:29
    at /var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/db.js:1195:7
    at /var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/db.js:1903:9
    at Server.Base._callHandler (/var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/connection/base.js:453:41)
    at /var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/connection/server.js:487:18
    at [object Object].MongoReply.parseBody (/var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/responses/mongo_reply.js:68:5)
    at [object Object].<anonymous> (/var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/connection/server.js:445:20)
    at [object Object].emit (events.js:95:17)
    at [object Object].<anonymous> (/var/www/rocket.chat-prod/bundle/programs/server/npm/mongo/node_modules/mongodb/lib/mongodb/connection/connection_pool.js:207:13)