Communication management software system is not configured

Hi

one of our user is facing this below issue.

When he goto CRM and run tcode CRM_UI , a new web window opens up in which a small yellow colour bar appears that says "Communication management software system is not configured".

Do i have to maintain CMS somewhere , i found one note too for this -

Note number - 1745932, shall i apply this one in system.

Or what exactly to do next , Please advice.

With Regards