Fatal error: Uncaught Error: Class "Nextend\SmartSlider3\Slider\SliderType\AbstractSliderType" not found in /var/www/andovercg/staging/wp-content/plugins/smart-slider-3/Nextend/SmartSlider3/Slider/SliderType/Block/SliderTypeBlock.php:7
Stack trace:
#0 {main}
thrown in /var/www/andovercg/staging/wp-content/plugins/smart-slider-3/Nextend/SmartSlider3/Slider/SliderType/Block/SliderTypeBlock.php on line 7