Fatal error: Uncaught Error: Call to undefined function import() in /home/unars/public_html/ojs/plugins/generic/pdfJsViewer/PdfJsViewerPlugin.inc.php:15 Stack trace: #0 /home/unars/public_html/ojs/plugins/generic/pdfJsViewer/index.php(19): require_once() #1 {main} thrown in /home/unars/public_html/ojs/plugins/generic/pdfJsViewer/PdfJsViewerPlugin.inc.php on line 15