Fatal error: Uncaught Error: Using $this when not in object context in /home/nyesigiso/apps/dev/dev.nyesigiso.com/web/app/plugins/smart-slider-3/Nextend/SmartSlider3/Application/Admin/Layout/Block/Slider/SliderManager/SliderManager.php:11 Stack trace: #0 {main} thrown in /home/nyesigiso/apps/dev/dev.nyesigiso.com/web/app/plugins/smart-slider-3/Nextend/SmartSlider3/Application/Admin/Layout/Block/Slider/SliderManager/SliderManager.php on line 11