[25-Jun-2026 18:00:38 Asia/Jakarta] PHP Fatal error:  Uncaught Error: Class "PKP\filter\PersistableFilter" not found in /home/cvde7415/public_html/ejournal.cvddabeeayla.com/plugins/importexport/pubmed/filter/ArticlePubMedXmlFilter.php:30
Stack trace:
#0 {main}
  thrown in /home/cvde7415/public_html/ejournal.cvddabeeayla.com/plugins/importexport/pubmed/filter/ArticlePubMedXmlFilter.php on line 30
