Glade 3.10.2 needs artwork icon (GtkSourceView)

Hi,
When I run the glade from terminal, this error occur, so I cannot set image
for buttons, any one could help me?

khajavi ~ # glade
GladeUI-Message: No displayable values for property
GtkMessageDialog::message-type
GladeUI-Message: Glade needs artwork; a default icon will be used for the
following classes:
GtkSourceView needs an icon named 'widget-gtksourceview-gtksourceview'

-- 
Milad Khajavi
http://lincafe.wordpress.com
Having the source means you can do it yourself.
I tried to change the world, but I couldn’t find the source code.

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