[26-Jan-2026 15:05:13 Asia/Jakarta] PHP Fatal error:  Uncaught Error: Class 'DataObject' not found in /home/trop1813/public_html/lib/pkp/classes/publication/PKPPublication.inc.php:17
Stack trace:
#0 {main}
  thrown in /home/trop1813/public_html/lib/pkp/classes/publication/PKPPublication.inc.php on line 17
[26-Jan-2026 15:05:13 Asia/Jakarta] PHP Fatal error:  Uncaught Error: Call to undefined function import() in /home/trop1813/public_html/lib/pkp/classes/publication/PKPPublicationDAO.inc.php:18
Stack trace:
#0 {main}
  thrown in /home/trop1813/public_html/lib/pkp/classes/publication/PKPPublicationDAO.inc.php on line 18
