Using '/app/data' as data directory

> zigbee2mqtt@1.6.0 start /app
> node index.js

  zigbee2mqtt:info 9/12/2019, 3:26:22 PM Logging to directory: '/app/data/log/2019-09-12.15-26-19'
  zigbee2mqtt:debug 9/12/2019, 3:26:22 PM Removing old log directory '/app/data/log/2019-08-21.12-20-02'
  zigbee2mqtt:debug 9/12/2019, 3:26:22 PM Loaded state from file /app/data/state.json
  zigbee2mqtt:info 9/12/2019, 3:26:22 PM Starting zigbee2mqtt version 1.6.0 (commit #d53e133)
  zigbee2mqtt:info 9/12/2019, 3:26:22 PM Starting zigbee-herdsman...
  zigbee2mqtt:debug 9/12/2019, 3:26:22 PM Using zigbee-herdsman with settings: '{"network":{"panID":6754,"extenedPanID":[221,221,221,221,221,221,221,221],"channelList":[24],"networkKey":"HIDDEN"},"databasePath":"/app/data/database.db","backupPath":"/app/data/coordinator_backup.json","serialPort":{"baudRate":115200,"rtscts":true,"path":"/dev/ttyACM0"}}'
  zigbee2mqtt:error 9/12/2019, 3:26:29 PM Error while starting zigbee-herdsman
  zigbee2mqtt:error 9/12/2019, 3:26:29 PM Error: SRSP - SYS - version after 6000ms
    at Timeout.object.timer.setTimeout [as _onTimeout] (/app/node_modules/zigbee-herdsman/dist/utils/waitress.js:44:24)
    at ontimeout (timers.js:436:11)
    at tryOnTimeout (timers.js:300:5)
    at listOnTimeout (timers.js:263:5)
    at Timer.processTimers (timers.js:223:10)
  zigbee2mqtt:error 9/12/2019, 3:26:29 PM Failed to start zigbee
  zigbee2mqtt:error 9/12/2019, 3:26:29 PM Exiting...
  zigbee2mqtt:error 9/12/2019, 3:26:29 PM Error: SRSP - SYS - version after 6000ms
    at Timeout.object.timer.setTimeout [as _onTimeout] (/app/node_modules/zigbee-herdsman/dist/utils/waitress.js:44:24)
    at ontimeout (timers.js:436:11)
    at tryOnTimeout (timers.js:300:5)
    at listOnTimeout (timers.js:263:5)
    at Timer.processTimers (timers.js:223:10)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! zigbee2mqtt@1.6.0 start: `node index.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the zigbee2mqtt@1.6.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2019-09-12T13_26_29_605Z-debug.log