Warning Messages when Administering Project Pages

When accessing:
"Front" through
/cp/features
"Site Layout" through
/cp/appearance
"Theme" through
/cp/appearance
"Site Menus" through
/cp/settings
"Taxonomy" through
/cp/settings
"Other Settings" through
/cp/settings
"Comments" through
/cp/content
"Files" through
/cp/content
"Users" through
/cp/users
"Manage Members" through
/cp/users
"Colleagues" through
/cp/news
"Contact Us" through
/cp/support
"Help" through
/cp/support

A warning message appears:

warning: htmlspecialchars() expects parameter 1 to be string, array given in /var/www/html/cscc/includes/bootstrap.inc on line 856.

When accessing:
"Site Information" through
/cp/settings
"Content" through
/cp/content
"Activity" through
/cp/news

A warning message appears:

warning: htmlspecialchars() expects parameter 1 to be string, array given in /var/www/html/cscc/includes/bootstrap.inc on line 856.
warning: Illegal offset type in isset or empty in /var/www/html/cscc/includes/common.inc on line 915.