I started docker container using the specified switch using below command:

docker run -p 8888:8080 --group-add docker jenkinsci/blueocean:latest

But getting this error during pipeline execution.

[jenkin-test_master-MXNJBW333G3XAISBGXCTVVZGS4GJ5DS6V6NEEORWPSORGJY5OCGA] Running shell script
+ docker pull php
Using default tag: latest
Warning: failed to get default registry endpoint from daemon (Cannot connect to the Docker daemon. Is the docker daemon running on this host?). Using system default: https://index.docker.io/v1/
Cannot connect to the Docker daemon. Is the docker daemon running on this host?
script returned exit code 1