gtk_widget_set_senstive: referenced symbol not found

[sigsegv at rambler.ru]

Greetings, launching xfce4-4.2.0 I see the following messages, may be 
gtk_widget_set_senstive has been misspelled:

** (xfce-mcs-manager:4780): WARNING **: Module 
/opt/pkg32/lib/xfce4/mcs-plugins/session_settings.so cannot be opened 
(ld.so.1: xfce-mcs-manager: fatal: relocation error: file 
/opt/pkg32/lib/xfce4/mcs-plugins/session_settings.so: symbol 
gtk_widget_set_senstive: referenced symbol not found)

-- 
"You start coding. I'll go find out what they want."
--Computer analyst to programmer