Fatal error: Uncaught TypeError: Return value of Kernel_Iterator_Class::offsetGet() must be an instance of mixed, instance of System_Artykul_Item returned in /library/Kernel/Iterator/Class.php:48 Stack trace: #0 /library/Kernel/Iterator/Class.php(29): Kernel_Iterator_Class->offsetGet(0) #1 /application/view/items/slider.phtml(3): Kernel_Iterator_Class->current() #2 /library/Kernel/View.php(17): include('/application/vi...') #3 /library/Kernel/View.php(13): Kernel_View->get_html('items/slider.ph...') #4 /library/System/View/Slider.php(21): Kernel_View->fetch('items/slider.ph...') #5 /library/System/View/Slider.php(10): System_View_Slider->prepareHtml() #6 /application/view/glowna/index.phtml(7): System_View_Slider::getHtml('glowna', Object(System_Artykul_List_Slider)) #7 /library/Kernel/View.php(17): include('/application/vi...') #8 /library/Kernel/View.php(10): Kernel_View->get_html('glowna/index.ph...') #9 /application/controllers/glowna.php(24): Kernel_View->display('glowna/index.ph...') #10 /index.php(9): glowna->index in /library/Kernel/Iterator/Class.php on line 48