Error message

• Notice: Undefined index: front_page_slider in _exclude_node_title() (line 191 of /hsphere/local/home/stbook/storybooktheatre.org/sites/all/modules/exclude_node_title/exclude_node_title.module).
• Notice: Undefined index: front_page_slider in _exclude_node_title() (line 191 of /hsphere/local/home/stbook/storybooktheatre.org/sites/all/modules/exclude_node_title/exclude_node_title.module).