Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/polirqqx/shortstoriesbyai.com/wp-content/plugins/gravityplus-gfutility/class-toolbar-menu.php:18
Stack trace:
#0 /home/polirqqx/shortstoriesbyai.com/wp-content/plugins/gravityplus-gfutility/class-toolbar-menu.php(113): GFPGFU_Toolbar_Menu->__construct()
#1 {main}
thrown in /home/polirqqx/shortstoriesbyai.com/wp-content/plugins/gravityplus-gfutility/class-toolbar-menu.php on line 18