Getting Header Error: I'm using Genesis and Branding / Custom Admin Menu by WPMU

I'm hiding the header using CSS, which seems fine ... until I enabled the Ultimate Branding and Custom Admin Menu plugin.

Now I'm getting the following error:

Warning: array_diff(): Argument #1 is not an array in /home/christopherc3p0/ on line 223

Warning: Cannot modify header information - headers already sent by (output started at /home/christopherc3p0/ in /home/christopherc3p0/ on line 1121