Fatal error: Uncaught Error: [] operator not supported for strings in /home/mckinst9/public_html/wp-content/plugins/revslider/includes/framework/base-admin.class.php:71  
Stack trace: #0 /home/mckinst9/public_html/wp-content/plugins/revslider/admin/revslider-admin.class.php(552): RevSliderBaseAdmin::addMetaBox('Revolution Slid...', '', Array, NULL)  
\#1 /home/mckinst9/public_html/wp-content/plugins/revslider/admin/revslider-admin.class.php(73): RevSliderAdmin->addSliderMetaBox()  
\#2 /home/mckinst9/public_html/wp-content/plugins/revslider/admin/revslider-admin.class.php(44): RevSliderAdmin->init()  
\#3 /home/mckinst9/public_html/wp-content/plugins/revslider/revslider.php(165): RevSliderAdmin->__construct('/home/mckinst9/...')  
\#4 /home/mckinst9/public_html/wp-settings.php(342): include_once('/home/mckinst9/...')  
\#5 /home/mckinst9/public_html/wp-config.php(90): require_once('/home/mckinst9/...')  
\#6 /home/mckinst9/public_html/wp-load.php(37): require_once('/home/mckinst9/...')  
\#7 /home/mckinst9/public_html/wp-admin/admin.php(34): re in /home/mckinst9/public_html/wp-content/plugins/revslider/includes/framework/base-admin.class.php on line 71