Fatal error: Uncaught Error: Class 'SetaPDF_Core_Document_Page_Annotation_Square' not found in /home/icspwor/ebook/library/SetaPDF/Core/Document/Page/Annotation/Circle.php:24 Stack trace: #0 {main} thrown in /home/icspwor/ebook/library/SetaPDF/Core/Document/Page/Annotation/Circle.php on line 24