Fatal error: Uncaught Error: Call to undefined function import() in C:\xampp\htdocs\omp3303\plugins\pubIds\doi\DOIPubIdPlugin.inc.php:17 Stack trace: #0 C:\xampp\htdocs\omp3303\plugins\pubIds\doi\index.php(18): require_once() #1 {main} thrown in C:\xampp\htdocs\omp3303\plugins\pubIds\doi\DOIPubIdPlugin.inc.php on line 17