New branding update crashed my site - help!

Updated the plugin Ultimate branding and got this error:

Fatal error: Can't use method return value in write context in /home/pulplabs/public_html/wp-content/plugins/ultimate-branding/ultimate-branding-files/modules/custom-dashboard-welcome.php on line 43

Running a MU Site with all current WP Themes, Core, and Puigins.

Help