New user needs help, with error

Hello,

When starting npm i recieve this error?
Hardware is a raspberry 3, already connected RFLink. Domoticz newest stable version.

Already pushed the reset button.

zigbee2mqtt:error 8/29/2019, 10:00:28 PM Error while starting zigbee-shepherd! (Error: request timeout)
zigbee2mqtt:error 8/29/2019, 10:00:28 PM Press the reset button on the stick (the one closest to the USB) and start again
zigbee2mqtt:error 8/29/2019, 10:00:28 PM Failed to start
{“message”:“request timeout”,“stack”:“Error: request timeout\n at CcZnp. (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/dist/cc-znp/index.js:208:22)\n at Object.onceWrapper (events.js:286:20)\n at CcZnp.emit (events.js:198:13)\n at Timeout. (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/dist/cc-znp/index.js:192:18)\n at ontimeout (timers.js:436:11)\n at tryOnTimeout (timers.js:300:5)\n at listOnTimeout (timers.js:263:5)\n at Timer.processTimers (timers.js:223:10)”}