Fatal error: Uncaught Error: Call to undefined function add_action() in /home/handllu1/public_html/redboys/plugins/sidebar-manager/classes/modules/target-rule/class-bsf-sb-target-rules-fields.php:92 Stack trace: #0 /home/handllu1/public_html/redboys/plugins/sidebar-manager/classes/modules/target-rule/class-bsf-sb-target-rules-fields.php(80): BSF_SB_Target_Rules_Fields->__construct() #1 /home/handllu1/public_html/redboys/plugins/sidebar-manager/classes/modules/target-rule/class-bsf-sb-target-rules-fields.php(1530): BSF_SB_Target_Rules_Fields::get_instance() #2 {main} thrown in /home/handllu1/public_html/redboys/plugins/sidebar-manager/classes/modules/target-rule/class-bsf-sb-target-rules-fields.php on line 92