Fatal error: Uncaught Error: Undefined constant "EXTENDIFY_DEVMODE" in /itss/home/formulasae/public_html/wordpress/wp-content/plugins/extendify/app/Library/Frontend.php:251 Stack trace: #0 /itss/home/formulasae/public_html/wordpress/wp-content/plugins/extendify/app/Library/Frontend.php(251): constant('EXTENDIFY_DEVMO...') #1 /itss/home/formulasae/public_html/wordpress/wp-content/plugins/extendify/app/Library/Frontend.php(37): Extendify\Library\Frontend->themeCompatInlineStyles() #2 /itss/home/formulasae/public_html/wordpress/wp-includes/class-wp-hook.php(324): Extendify\Library\Frontend->enqueueUtilityStyles('') #3 /itss/home/formulasae/public_html/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #4 /itss/home/formulasae/public_html/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /itss/home/formulasae/public_html/wordpress/wp-includes/script-loader.php(2265): do_action('wp_enqueue_scri...') #6 /itss/home/formulasae/public_html/wordpress/wp-includes/class-wp-hook.php(324): wp_enqueue_scripts('') #7 /itss/home/formulasae/public_html/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #8 /itss/home/formulasae/public_html/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /itss/home/formulasae/public_html/wordpress/wp-includes/general-template.php(3050): do_action('wp_head') #10 /itss/home/formulasae/public_html/wordpress/wp-content/themes/neve/header.php(46): wp_head() #11 /itss/home/formulasae/public_html/wordpress/wp-includes/template.php(810): require_once('/itss/home/form...') #12 /itss/home/formulasae/public_html/wordpress/wp-includes/template.php(745): load_template('/itss/home/form...', true, Array) #13 /itss/home/formulasae/public_html/wordpress/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #14 /itss/home/formulasae/public_html/wordpress/wp-content/themes/neve/single.php(11): get_header() #15 /itss/home/formulasae/public_html/wordpress/wp-includes/template-loader.php(106): include('/itss/home/form...') #16 /itss/home/formulasae/public_html/wordpress/wp-blog-header.php(19): require_once('/itss/home/form...') #17 /itss/home/formulasae/public_html/index.php(17): require('/itss/home/form...') #18 {main} thrown in /itss/home/formulasae/public_html/wordpress/wp-content/plugins/extendify/app/Library/Frontend.php on line 251