Cannot determine own container id

[mesudip]

Docker version 20.10.17, build 100c701

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[ERROR]Couldn't determine container ID of this container: ('list index out of range',) 
 Is it running in docker environment?
Falling back to default network
Using letsencrypt  url : https://acme-v02.api.letsencrypt.org/directory
Writing default config before reloading server.
Nginx is alive
No VIRTUAL_HOST       	Id:5e523d0600a6	    nginx_proxy.1msmr6kshnk6av8ghw9li7kmh.ztwzpp0wtfjmoc5ktu95xo1r3
No VIRTUAL_HOST       	Id:7692a07c5358	    portainer_agent.1msmr6kshnk6av8ghw9li7kmh.xtelrf9nj2ikbxn55oa91uvy3