Fatal error: Uncaught Error: Call to undefined function import() in E:\xampp\htdocs\ejournal\public\plugins\pubIds\urn\URNPubIdPlugin.inc.php:16 Stack trace: #0 E:\xampp\htdocs\ejournal\public\plugins\pubIds\urn\index.php(18): require_once() #1 {main} thrown in E:\xampp\htdocs\ejournal\public\plugins\pubIds\urn\URNPubIdPlugin.inc.php on line 16