Unable to extract information from Zabbix version 3.4

[FICR]

Hi I´m getting error below:

zabbix-relay/lib/relay.js:40

  var length = hostgroup.hosts.length;
                                ^

TypeError: Cannot read property 'length' of undefined
at /etc/relay_zabix_elastic/1/zabbix-relay/lib/relay.js:40:37
at Client. (/etc/relay_zabix_elastic/1/zabbix-relay/node_modules/zabbix-node/lib/zabbix.js:19:7)
at Client. (/etc/relay_zabix_elastic/1/zabbix-relay/node_modules/zabbix-node/lib/zabbix.js:66:5)
at Request.self.callback (/etc/relay_zabix_elastic/1/zabbix-relay/node_modules/request/request.js:185:22)
at emitTwo (events.js:106:13)
at Request.emit (events.js:191:7)
at Request. (/etc/relay_zabix_elastic/1/zabbix-relay/node_modules/request/request.js:1161:10)
at emitOne (events.js:96:13)
at Request.emit (events.js:188:7)
at IncomingMessage. (/etc/relay_zabix_elastic/1/zabbix-relay/node_modules/request/request.js:1083:12)

Any help will be appreciated

[FICR]

this is my CLI

node server.js command -d elastic -g 'Zabbix servers' -p '2019-05-09|2019-05-10' -t 'history' -u 'http://XXXXXXX:9200'