Rocket.Chat crashed shows 502 bad gateway after update 0.69 to 0.74.3

Description

After updating rocketchat 0.69 to 0.74 manually rocketchat.service not start webserver shows 502 bad gateway
command not helping:
sudo systemctl enable rocketchat.service
sudo systemctl start rocketchat.service

Server Setup Information

  • Version of Rocket.Chat Server: 0.69
  • Operating System: ubuntu 16.04
  • Deployment Method: manually with tar
  • Number of Running Instances: 1
  • DB Replicaset Oplog:
  • NodeJS Version: 8.12.0
  • MongoDB Version: 2.6
  • Proxy: nginx
  • Firewalls involved: yes