Error message

• Notice: Undefined property: views_plugin_style_default::$rendered_fields in include() (line 95 of /home/waves/domains/sonicmotion.be/public_html/sites/all/themes/bootstrap/templates/views/views-view--agenda--page.tpl.php).
• Warning: Invalid argument supplied for foreach() in include() (line 97 of /home/waves/domains/sonicmotion.be/public_html/sites/all/themes/bootstrap/templates/views/views-view--agenda--page.tpl.php).