UNOMP POOL ERROR] [default] - Master PoolSpawner Fork 0 died, spawning replaceme

[BTCMINERSdotINFO]

/home/mypool/unomp/node_modules/merged-pooler/lib/blockTemplate.js:28
[util.varIntBuffer(rpcData.votes.length)].concat(
^
TypeError: Cannot read property 'length' of undefined
at getVoteData (/home/mypool/unomp/node_modules/merged-pooler/lib/blockTemplate.js:28:45)
at BlockTemplate.serializeBlock (/home/mypool/unomp/node_modules/merged-pooler/lib/blockTemplate.js:108:13)
at JobManager.processShare (/home/mypool/unomp/node_modules/merged-pooler/lib/jobManager.js:274:31)
at null. (/home/mypool/unomp/node_modules/merged-pooler/lib/pool.js:630:46)
at EventEmitter.emit (events.js:98:17)
at handleSubmit (/home/mypool/unomp/node_modules/merged-pooler/lib/stratum.js:175:15)
at handleMessage (/home/mypool/unomp/node_modules/merged-pooler/lib/stratum.js:88:17)
at /home/mypool/unomp/node_modules/merged-pooler/lib/stratum.js:248:25
at Array.forEach (native)
at Socket. (/home/mypool/unomp/node_modules/merged-pooler/lib/stratum.js:234:26)
[2017-11-27 12:48:32.124] [ERROR] [default] - Master PoolSpawner Fork 0 died, spawning replacement worker...

Please give me guide TO FIX This problem when mining x11 coin
No problem when i use this pool for scrypt

[charlie-gama]

version node

remove node_modules

npm update.