Unable to execute maxctrl commands in RHEL 6 - Maxscale 2.2.9

We are unable to execute maxctrl commands in RHEL 6.9 servers. Please help to check.

$ ps -ef | grep /usr/bin/maxscale
... 15972 1 0 Oct02 ? 00:25:26 /usr/bin/maxscale --user=...

$ maxctrl list servers
module.js:471
throw err;
^

Error: Cannot find module '/home/maxscale/list'
at Function.Module._resolveFilename (module.js:469:15)
at Function.Module._load (module.js:417:25)
at Module.runMain (module.js:604:10)
at run (bootstrap_node.js:432:7)
at startup (bootstrap_node.js:192:9)
at bootstrap_node.js:547:3

$ cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.9 (Santiago)