Fatal error: Uncaught Error: Class 'Kirki\Field' not found in /var/www/html/wp-content/plugins/kirki/pro-src/packages/kirki-pro-input-slider/src/Field/InputSlider.php:17 Stack trace: #0 {main} thrown in /var/www/html/wp-content/plugins/kirki/pro-src/packages/kirki-pro-input-slider/src/Field/InputSlider.php on line 17