"hand;cursor" or "inline-block; margin" error when customizing cPanel in WHM

Symptoms

When attempting to customize the cPanel logo, company name, or other factors in WHM via Home »cPanel »Customization, an error is received in a red box that denotes one of the following:

hand;cursor

or

inline-block; margin

Description 

The most common cause for this issue is that the directories "/var/cpanel/perl5" and/or "/var/cpanel/perl5/lib" have incorrect permissions and/or ownership.

Workaround

The following command can be used to ensure these folders have the correct permissions and ownership:

chmod -v 755 /var/cpanel/perl5 /var/cpanel/perl5/lib && chown -v root. /var/cpanel/perl5 /var/cpanel/perl5/lib