err1

TypeError: Cannot read property 'id' of undefined
    at /root/epic.io/node_modules/kue/lib/queue/job.js:83:17
    at Command.callback (/root/epic.io/node_modules/kue/lib/queue/job.js:155:28)
    at RedisClient.return_reply (/root/epic.io/node_modules/redis/index.js:425:29)
    at RedisReplyParser.<anonymous> (/root/epic.io/node_modules/redis/index.js:81:14)
    at RedisReplyParser.emit (events.js:64:17)
    at RedisReplyParser.send_reply (/root/epic.io/node_modules/redis/lib/parser/javascript.js:280:18)
    at RedisReplyParser.execute (/root/epic.io/node_modules/redis/lib/parser/javascript.js:165:26)
    at RedisClient.on_data (/root/epic.io/node_modules/redis/index.js:358:27)
    at Socket.<anonymous> (/root/epic.io/node_modules/redis/index.js:93:14)
    at Socket.emit (events.js:64:17)

err2

Error: EPIPE, Broken pipe
    at Socket._writeImpl (net.js:128:14)
    at Socket._writeOut (net.js:448:25)
    at Socket.write (net.js:377:17)
    at Master.<anonymous> (/root/epic.io/node_modules/cluster/lib/master.js:226:13)
    at Master.call (/root/epic.io/node_modules/cluster/lib/worker.js:73:17)
    at Worker.connect (/root/epic.io/node_modules/cluster/lib/worker.js:139:15)
    at Worker.invoke (/root/epic.io/node_modules/cluster/lib/mixins/receiver.js:56:18)
    at Worker.frame (/root/epic.io/node_modules/cluster/lib/mixins/receiver.js:35:14)
    at Socket.<anonymous> (/root/epic.io/node_modules/cluster/lib/worker.js:79:47)
    at Socket.emit (events.js:64:17)