Fatal error: Uncaught Error: Class 'Kirki\Control\Base' not found in /home/oho09/public_html/lekcjatestdm/wp-content/themes/sydney/vendor/kirki-framework/control-slider/src/Control/Slider.php:23 Stack trace: #0 {main} thrown in /home/oho09/public_html/lekcjatestdm/wp-content/themes/sydney/vendor/kirki-framework/control-slider/src/Control/Slider.php on line 23