Fixed Error while starting zigbee-shepherd, attempting to fix... (takes 60 seconds) (Error: Cluster with key '64527' does not exist)

 zigbee2mqtt:info 10/20/2019, 01:30:35 Starting zigbee2mqtt version 1.6.0 (commit #e26ad2a)
  zigbee2mqtt:info 10/20/2019, 01:30:35 Starting zigbee-shepherd
  zigbee2mqtt:info 10/20/2019, 01:30:37 Error while starting zigbee-shepherd, attempting to fix... (takes 60 seconds) (Error: Cluster with key '64527' does not exist)
  zigbee2mqtt:info 10/20/2019, 01:31:37 Starting zigbee-shepherd
  zigbee2mqtt:error 10/20/2019, 01:31:39 Error while starting zigbee-shepherd! (Error: dev exists, unregister it first.)
  zigbee2mqtt:error 10/20/2019, 01:31:39 Press the reset button on the stick (the one closest to the USB) and start again
  zigbee2mqtt:error 10/20/2019, 01:31:39 Failed to start
{"message":"dev exists, unregister it first.","stack":"Error: dev exists, unregister it first.\n    at /opt/zigbee2mqtt/node_modules/zigbee-herdsman/dist/lib/shepherd.js:449:19\n    at Promise.apply (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/node_modules/q/q.js:1185:26)\n    at Promise.promise.promiseDispatch (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/node_modules/q/q.js:808:41)\n    at /opt/zigbee2mqtt/node_modules/zigbee-herdsman/node_modules/q/q.js:1411:14\n    at runSingle (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/node_modules/q/q.js:137:13)\n    at flush (/opt/zigbee2mqtt/node_modules/zigbee-herdsman/node_modules/q/q.js:125:13)\n    at processTicksAndRejections (internal/process/task_queues.js:75:11)"}
  zigbee2mqtt:error 10/20/2019, 01:31:39 Exiting...
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!     /home/pi/.npm/_logs/2019-10-20T00_31_39_441Z-debug.log

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