Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class Post_Comparison_Plugin does not have a method "register_widget_category" in /home/mychoiceschoolsc/public_html/wp-includes/class-wp-hook.php:324 Stack trace: #0 /home/mychoiceschoolsc/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #1 /home/mychoiceschoolsc/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #2 /home/mychoiceschoolsc/public_html/wp-content/plugins/elementor/includes/managers/elements.php(344): do_action('elementor/eleme...', Object(Elementor\Elements_Manager)) #3 /home/mychoiceschoolsc/public_html/wp-content/plugins/elementor/includes/managers/elements.php(108): Elementor\Elements_Manager->init_categories() #4 /home/mychoiceschoolsc/public_html/wp-content/plugins/jet-menu/includes/elementor/manager.php(126): Elementor\Elements_Manager->get_categories() #5 /home/mychoiceschoolsc/public_html/wp-includes/class-wp-hook.php(324): Jet_Menu\Elementor->register_category('') #6 /home/mychoiceschoolsc/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #7 /home/mychoiceschoolsc/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #8 /home/mychoiceschoolsc/public_html/wp-content/plugins/elementor/includes/plugin.php(684): do_action('elementor/init') #9 /home/mychoiceschoolsc/public_html/wp-includes/class-wp-hook.php(324): Elementor\Plugin->init('') #10 /home/mychoiceschoolsc/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #11 /home/mychoiceschoolsc/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #12 /home/mychoiceschoolsc/public_html/wp-settings.php(704): do_action('init') #13 /home/mychoiceschoolsc/public_html/wp-config.php(103): require_once('/home/mychoices...') #14 /home/mychoiceschoolsc/public_html/wp-load.php(50): require_once('/home/mychoices...') #15 /home/mychoiceschoolsc/public_html/wp-blog-header.php(13): require_once('/home/mychoices...') #16 /home/mychoiceschoolsc/public_html/index.php(17): require('/home/mychoices...') #17 {main} thrown in /home/mychoiceschoolsc/public_html/wp-includes/class-wp-hook.php on line 324