need assistance please

From: Kathy Groves <sewhappy208 hotmail com>
To: "gnumeric-list-request gnome org" <gnumeric-list-request gnome org>, "gnumeric-list gnome org" <gnumeric-list gnome org>
Subject: need assistance please
Date: Sun, 17 Jan 2016 10:14:12 -0700

What is wrong with this formula????
I am trying to total several columns

=sum(B4:B134)