I deploy openvidu on premises. but sometimes its working and sometimes not


getting following error

https://bbem.org/dashboard
this is my server

Hello @Mayank_Sharma.

  • How did you deploy? What instructions did you follow?
  • What OpenVidu edition are you deploying?

https://docs.openvidu.io/en/2.29.0/deployment/ce/on-premises/
i followed this .
also i deploy on amazon lightsail centos .
and linked domain.